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  1. Home
  2. Gallery
  3. Species gallery - Arthropoda

Species Gallery (Arthropoda)

The links below will open a large version of the image in an overlay

The barnacle Adna anglica growing on a cup coral.

Copyright: Dr Keith Hiscock

Adna anglica growing on cup coral.

Copyright: Dr Keith Hiscock

Alpheus glaber.

Copyright: Ivor Rees

A bright red Alpheus glaber.

Copyright: Dr Hilmar Hinz

Anurida maritima on water surface.

Copyright: Marco Faasse

Dorsal view of Athanas nitescens in shallow waters.

Copyright: Judith Oakley

Hooded shrimp in a tide pool.

Copyright: David Fenwick Snr.

Group of Austrominius modestus.

Copyright: Marine Biological Association of the UK (MBA)

Austrominius modestus in Hooe Lake.

Copyright: Dr Keith Hiscock

A typical barnacle nauplius of Austrominius modestus.

Copyright: Marine Biological Association of the UK (MBA)

A typical cyprid larva of Austrominius modestus, with carapace closed.

Copyright: Marine Biological Association of the UK (MBA)

Close up of the opercular plates of Austrominius modestus.

Copyright: Marine Biological Association of the UK (MBA)

Solitary Austrominius modestus.

Copyright: Dr Keith Hiscock

Balanus balanus Opercular valves closed and recessed below rim of aperture. Strong growth lines on scuta. Inconspicuous thin terga at sharp carinal end.

Copyright: Ian F. Smith

Balanus crenatus.

Copyright: Dr Keith Hiscock

An individual of the Callianassa genus.

Copyright: Crown copyright

Cestopagurus timidus

Copyright: Marco Faasse

Close up of Chthamalus montagui from High Water of Spring Tide level seen dry.

Copyright: Prof. Alan J. Southward

Chthamalus montagui with a few whiter Elminius modestus.

Copyright: Judith Oakley

Mostly Chthamalus montagui with a few other barnacles.

Copyright: Judith Oakley

Predominantly Chthamalus montagui.

Copyright: Dr Keith Hiscock

Smaller Chthamalus montagui next to larger Balanus perforatus and white Semibalanus balanoides.

Copyright: Judith Oakley

Close up of Chthamalus stellatus from about Mid Tide Level seen underwater.

Copyright: Prof. Alan J. Southward

Predominantly Chthamalus stellatus; three Chthamalus montagui on the right.

Copyright: Dr Keith Hiscock

Clibanarius erythropus emerging from shell.

Copyright: Marco Faasse

Crangon allmanni.

Copyright: Crown copyright

Crangon crangon on shell fragments and gravel (from above).

Copyright: John Rundle

Crangon crangon in a laboratory.

Copyright: John Rundle

Crangon crangon on shell fragments and gravel (side view).

Copyright: John Rundle

Dorsal view of Crangon crangon.

Copyright: Marine Ecological Surveys Ltd

Extreme end of the first walking leg (pereiopod) of Crangon crangon. The last segment (dactyl) hinges on the second-to-last segment (propodus).

Copyright: Ken Neal

Close up of Diastylis rathkei.

Copyright: Crown copyright

Diogenes pugilator crawling over wet sand.

Copyright: Judith Oakley

Diogenes pugilator engulfed in sand.

Copyright: Judith Oakley

The buoy barnacle Dosima fascicularis.

Copyright: Dr Keith Hiscock

Buoy barnacle Dosima fascicularis

Copyright: Becky Seeley

Male Dynamene bidentata surrounded by females

Copyright: Michael Puleston

A male surrounded by five other females

Copyright: Michael Puleston

Female Dynamene bidentata

Copyright: Michael Puleston

Male Dynamene bidentata on top of a female surrounded by other females

Copyright: Michael Puleston

Male isopod surrounded by females

Copyright: Michael Puleston

Eurydice pulchra.

Copyright: Marine Ecological Surveys Ltd

Galathea intermedia.

Copyright: Marine Ecological Surveys Ltd

A squat lobster Galathea squamifera.

Copyright: Paul Naylor

Galathea squamifera

Copyright: Gordon Lang

Galathea squamifera in Charmouth, Cornwall.

Copyright: Judith Oakley

Galathea squamifera on bedrock.

Copyright: Dr Keith Hiscock

Galathea squamifera on kelp.

Copyright: Mark Breckels

A captured squat lobster.

Copyright: Tabitha Pearman

A squat lobster sheltering.

Copyright: Gordon Lang

Dark brown Galathea squamifera on a rocky shore.

Copyright: Judith Oakley

lateral view of Galathea squamifera

Copyright: Paul Newland

Yellow Galathea squamifera.

Copyright: Judith Oakley

Hesperibalanus fallax found on a Lobster cage washed up at Paignton Beach; ca 3-5 mm across.

Copyright: Michael Puleston

Close up of Hesperibalanus fallax found on a Lobster cage washed up at Paignton Beach. Ca. 3-5 mm across.

Copyright: Michael Puleston

Close up of Hesperibalanus fallax found on a Lobster cage washed up at Paignton Beach. Ca. 3-5 mm across.

Copyright: Michael Puleston

Green Hippolyte varians in a sandy rockpool.

Copyright: Judith Oakley

Red Hippolyte varians on the shore.

Copyright: Judith Oakley

Homarus gammarus, dorsal view.

Copyright: Dr Keith Hiscock

'Albino' female lobster alongside typical coloured Homarus gammarus

Copyright: Cathal McNaughton

'Albino' female lobster telson alongside that of the typical coloured Homarus gammarus

Copyright: Cathal McNaughton

Homarus gammarus at Firestone Bay, Plymouth Sound.

Copyright: Dr Keith Hiscock

Homarus gammarus at the Manacles, southwest Cornwall.

Copyright: Robert Keen

Homarus gammarus from inside a crevice.

Copyright: Judith Oakley

Homarus gammarus in the Channel Isles.

Copyright: Sue Daly

Juvenile common lobster released as part of a breeding program

Copyright: Paul Newland

Idotea balthica.

Copyright: Sofie Vandendriessche

Idotea granulosa.

Copyright: Crown copyright

Idotea pelagica.

Copyright: Marco Faasse

The sea slater Lekanesphaera rugicauda.

Copyright: Paula Lightfoot

Goose barnacles Lepas anatifera washed up on the shore.

Copyright: Cathy Stevenson

A sea slater emerging from a rock.

Copyright: Abigail Rhodes

Individual Ligia oceanica on rocks on the upper shore at night.

Copyright: Jack Sewell

Individual Ligia oceanica on rocks on the upper shore at night.

Copyright: Jack Sewell

A northern stone crab in the fucoid zone of Robin Hoods bay.

Copyright: Richard Smith

Munida rugosa at Lundy.

Copyright: Dr Keith Hiscock

Munida rugosa amongst brittlestars.

Copyright: Dr Keith Hiscock

Munida rugosa at south Lundy.

Copyright: Dr Keith Hiscock

Munida rugosa coming out of a crevice.

Copyright: Fiona Crouch

Munida rugosa on lost lobster pots.

Copyright: Dr Keith Hiscock

Squat lobsters, Munida rugosa.

Copyright: Joint Nature Conservation Committee (JNCC)

Line drawing of Neobisium maritimum

Copyright: Dick Jones

Neomysis integer.

Copyright: Marco Faasse

Female Neomysis integer in a laboratory.

Copyright: John Rundle

School of opposum shrimp.

Copyright: Paul Newland

Nephrops norvegicus.

Copyright: Sue Scott

Nephrops norvegicus in an aquarium with its claws extended.

Copyright: Judith Oakley

Nephrops norvegicus, caught in lobster creel.

Copyright: Sue Scott

Nephrops norvegicus, detail of head

Copyright: Sue Scott

Nephrops norvegicus. Female, detail of tail with eggs.

Copyright: Sue Scott

Sea spider with egg sac found under rock in tide pool.

Copyright: David Fenwick Snr.

Sea spider with egg sac found under rock in tide pool.

Copyright: David Fenwick Snr.

Pagurus bernhardus on shell gravel.

Copyright: Paul Naylor

Pagurus bernhardus in the Channel Isles.

Copyright: Sue Daly

Pagurus bernhardus.

Copyright: Dr Keith Hiscock

Bird's eye view of the hermit crab Pagurus bernhardus crawling along.

Copyright: Judith Oakley

Naked Pagurus bernhardus in the Channel Isles.

Copyright: Sue Daly

Pre-mating coupling in December.

Copyright: Dr Keith Hiscock

The hairy hermit crab Pagurus cuanensis

Copyright: Dr Keith Hiscock

Pagurus prideaux with the cloak anemone Adamsia carciniopados.

Copyright: Paul Naylor

Pagurus prideaux on a green background.

Copyright: Dr Hilmar Hinz

The hermit crab Pagurus prideaux.

Copyright: Dr Keith Hiscock

Palaemon elegans crawling on the substratum.

Copyright: Jim Anderson

Close up view of the head of Palaemon elegans.

Copyright: Jim Anderson

Side view of entire individual on rock.

Copyright: Mark Thomas

Palaemon serratus

Copyright: Sue Daly

Palaemon serratus

Copyright: Gordon Lang

Palaemon serratus at Wembury.

Copyright: Judith Oakley

Common prawn Palaemon serratus on a circalittoral bedrock slope at Firestone Bay, Plymouth Sound.

Copyright: Dr Keith Hiscock

Large Palaemon serratus in shallow water.

Copyright: Judith Oakley

Two spiny lobsters.

Copyright: Dr Keith Hiscock

A juvenile crawfish emerging from its 'den'.

Copyright: Dr Keith Hiscock

Crawfish emerging from crevice.

Copyright: Dr Keith Hiscock

Crawfish with recent moult at the front of the aquarium.

Copyright: Dr Keith Hiscock

Freshly caught Palinurus elephas out of water.

Copyright: Holly Latham

Larval form of Palinurus elephas

Copyright: Marine Biological Association of the UK (MBA)

Larval form of Palinurus elephas

Copyright: Marine Biological Association of the UK (MBA)

Spiny lobster.

Copyright: Sue Scott

Spiny lobster.

Copyright: Sue Scott

The front of a crawfish hiding between rocks.

Copyright: Dr Keith Hiscock

The life cycle of the European spiny lobster from larvae to adult

Copyright: Marine Biological Association of the UK (MBA)

Pandalus montagui head.

Copyright: Dr Hilmar Hinz

Pandalus montagui on a green background.

Copyright: Dr Hilmar Hinz

Perforatus perforatus on rock with Mytilus edulis.

Copyright: Peter Barfield

Perforatus perforatus and sponges on a boulder.

Copyright: Judith Oakley

Perforatus perforatus, Whitsand Bay.

Copyright: Dr Keith Hiscock

A single Perforatus perforatus specimen.

Copyright: Judith Oakley

Dead, white Perforatus perforatus.

Copyright: Judith Oakley

Larger Perforatus perforatus next to smaller Chthamalus montagui and white Semibalanus balanoides.

Copyright: Judith Oakley

Pair of purple Perforatus perforatus on a rocky shore.

Copyright: Judith Oakley

Three Perforatus perforatus individuals surrounded by much smaller Chthamalus montagui.

Copyright: Judith Oakley

Periclimenes sagittifer amongst the tentacles of Anemonia viridis in the Channel Isles.

Copyright: Sue Daly

Aggregation of Petrobius maritimus.

Copyright: Dr Harvey Tyler-Walters

Pisidia longicornis next to barnacles.

Copyright: Judith Oakley

Pisidia longicornis out of water.

Copyright: Holly Latham

Close up of Pisidia longicornis

Copyright: Jack Sewell

Six Pisidia longicornis individuals.

Copyright: Dr Keith Hiscock

Pollicipes pollicipes attached to rocky shore near Tator Du Lighthouse, Cornwall.

Copyright: Dr Keith Hiscock

Pollicipes pollicipes on rocks at Porthcurno

Copyright: Liam Faisey

Pollicipes pollicipes on rocks at Porthcurno

Copyright: Liam Faisey

Pollicipes pollicipes on rocks at Porthcurno

Copyright: Liam Faisey

A broad-clawed porcelain crab.

Copyright: Tabitha Pearman

An algal covered broad-clawed crab

Copyright: Tabitha Pearman

Lone Porcellana platycheles individual in between boulders.

Copyright: Judith Oakley

Multiple Porcellana platycheles individuals on a rocky shore.

Copyright: Judith Oakley

Pycnogonum litorale feeding on an anemone.

Copyright: Paul Tranter

Rissoides desmaresti held in gloved hand.

Copyright: Dr Rohan Holt

Rissoides desmaresti on the sea bed.

Copyright: Dr Rohan Holt

Scalpellum scalpellum.

Copyright: Dr Keith Hiscock

Group of individuals.

Copyright: Dr Keith Hiscock

Semibalanus balanoides loosely gathered on a rock.

Copyright: Peter Barfield

Semibalanus balanoides mating (penis extended and penetrating neighbouring barnacle).

Copyright: Sue Scott

Semibalanus balanoides.

Copyright: Dr Keith Hiscock

Close up of Semibalanus balanoides.

Copyright: Dr Keith Hiscock

Verruca stroemia attached to a rockface.

Copyright: Rob Jutsum

Images: 155

The barnacle Adna anglica growing on a cup coral.

Modal: The barnacle <i>Adna anglica</i> growing on a cup coral.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Adna anglica growing on cup coral.

Modal: <i>Adna anglica</i> growing on cup coral.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Alpheus glaber.

Modal: <i>Alpheus glaber</i>.

Photographer: Ivor Rees, Copyright: Ivor Rees

A bright red Alpheus glaber.

Modal: A bright red <i>Alpheus glaber</i>.

Photographer: Hilmar Hinz, Copyright: Dr Hilmar Hinz

Anurida maritima on water surface.

Modal: <i>Anurida maritima</i> on water surface.

Photographer: Marco Faasse, Copyright: Marco Faasse

Dorsal view of Athanas nitescens in shallow waters.

Modal: Dorsal view of <i>Athanas nitescens</i> in shallow waters.

Photographer: Judith Oakley, Copyright: Judith Oakley

Hooded shrimp in a tide pool.

Modal: Hooded shrimp in a tide pool.

Photographer: David Fenwick, Copyright: David Fenwick Snr.

Group of Austrominius modestus.

Modal: Group of <i>Austrominius modestus</i>.

Photographer: Nova Mieszkowska, Copyright: Marine Biological Association of the UK (MBA)

Austrominius modestus in Hooe Lake.

Modal: <i>Austrominius modestus</i> in Hooe Lake.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

A typical barnacle nauplius of Austrominius modestus.

Modal: A typical barnacle nauplius of <i>Austrominius modestus</i>.

Photographer: Zoe Billinghurst, Copyright: Marine Biological Association of the UK (MBA)

A typical cyprid larva of Austrominius modestus, with carapace closed.

Modal: A typical cyprid larva of <i>Austrominius modestus</i>, with carapace closed.

Photographer: Zoe Billinghurst, Copyright: Marine Biological Association of the UK (MBA)

Close up of the opercular plates of Austrominius modestus.

Modal: Close up of the opercular plates of <i>Austrominius modestus</i>.

Photographer: Nova Mieszkowska, Copyright: Marine Biological Association of the UK (MBA)

Solitary Austrominius modestus.

Modal: Solitary <i>Austrominius modestus</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Balanus balanus Opercular valves closed and recessed below rim of aperture. Strong growth lines on scuta. Inconspicuous thin terga at sharp carinal end.

Modal: <i>Balanus balanus</i> Opercular valves closed and recessed below rim of aperture. Strong growth lines on scuta. Inconspicuous thin terga at sharp carinal end.

Photographer: Ian F. Smith, Copyright: Ian F. Smith

Balanus crenatus.

Modal: <i>Balanus crenatus</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

An individual of the Callianassa genus.

Modal: An individual of the <i>Callianassa</i> genus.

Photographer: Crown copyright, Copyright: Crown copyright

Cestopagurus timidus

Modal: <i>Cestopagurus timidus</i>

Photographer: Marco Faasse, Copyright: Marco Faasse

Close up of Chthamalus montagui from High Water of Spring Tide level seen dry.

Modal: Close up of <i>Chthamalus montagui</i> from High Water of Spring Tide level seen dry.

Photographer: Alan J. Southward, Copyright: Prof. Alan J. Southward

Chthamalus montagui with a few whiter Elminius modestus.

Modal: <i>Chthamalus montagui</i> with a few whiter <i>Elminius modestus</i>.

Photographer: Judith Oakley, Copyright: Judith Oakley

Mostly Chthamalus montagui with a few other barnacles.

Modal: Mostly <i>Chthamalus montagui</i> with a few other barnacles.

Photographer: Judith Oakley, Copyright: Judith Oakley

Predominantly Chthamalus montagui.

Modal: Predominantly <i>Chthamalus montagui</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Smaller Chthamalus montagui next to larger Balanus perforatus and white Semibalanus balanoides.

Modal: Smaller <i>Chthamalus montagui</i> next to larger <i>Balanus perforatus</i> and white <i>Semibalanus balanoides</i>.

Photographer: Judith Oakley, Copyright: Judith Oakley

Close up of Chthamalus stellatus from about Mid Tide Level seen underwater.

Modal: Close up of <i>Chthamalus stellatus</i> from about Mid Tide Level seen underwater.

Photographer: Alan J. Southward, Copyright: Prof. Alan J. Southward

Predominantly Chthamalus stellatus; three Chthamalus montagui on the right.

Modal: Predominantly <i>Chthamalus stellatus</i>;<i> three Chthamalus montagui</i> on the right.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Clibanarius erythropus emerging from shell.

Modal: <i>Clibanarius erythropus</i> emerging from shell.

Photographer: Marco Faasse, Copyright: Marco Faasse

Crangon allmanni.

Modal: <i>Crangon allmanni</i>.

Photographer: Crown copyright, Copyright: Crown copyright

Crangon crangon on shell fragments and gravel (from above).

Modal: <i>Crangon crangon</i> on shell fragments and gravel (from above).

Photographer: John Rundle, Copyright: John Rundle

Crangon crangon in a laboratory.

Modal: <i>Crangon crangon</i> in a laboratory.

Photographer: John Rundle, Copyright: John Rundle

Crangon crangon on shell fragments and gravel (side view).

Modal: <i>Crangon crangon</i> on shell fragments and gravel (side view).

Photographer: John Rundle, Copyright: John Rundle

Dorsal view of Crangon crangon.

Modal: Dorsal view of <i>Crangon crangon</i>.

Photographer: Marine Ecological Surveys Ltd, Copyright: Marine Ecological Surveys Ltd

Extreme end of the first walking leg (pereiopod) of Crangon crangon. The last segment (dactyl) hinges on the second-to-last segment (propodus).

Modal: Extreme end of the first walking leg (pereiopod) of <i>Crangon crangon</i>. The last segment (dactyl) hinges on the second-to-last segment (propodus).

Photographer: Ken Neal, Copyright: Ken Neal

Close up of Diastylis rathkei.

Modal: Close up of <i>Diastylis rathkei</i>.

Photographer: Crown copyright, Copyright: Crown copyright

Diogenes pugilator crawling over wet sand.

Modal: <i>Diogenes pugilator</i> crawling over wet sand.

Photographer: Judith Oakley, Copyright: Judith Oakley

Diogenes pugilator engulfed in sand.

Modal: <i>Diogenes pugilator</i> engulfed in sand.

Photographer: Judith Oakley, Copyright: Judith Oakley

The buoy barnacle Dosima fascicularis.

Modal: The buoy barnacle <i>Dosima fascicularis</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Buoy barnacle Dosima fascicularis

Modal: Buoy barnacle <i>Dosima fascicularis</i>

Photographer: Becky Seeley, Copyright: Becky Seeley

Male Dynamene bidentata surrounded by females

Modal: Male <em>Dynamene bidentata</em> surrounded by females

Photographer: Michael Puleston, Copyright: Michael Puleston

A male surrounded by five other females

Modal: A male surrounded by five other females

Photographer: Michael Puleston, Copyright: Michael Puleston

Female Dynamene bidentata

Modal: Female <em>Dynamene bidentata</em>

Photographer: Michael Puleston, Copyright: Michael Puleston

Male Dynamene bidentata on top of a female surrounded by other females

Modal: Male <em>Dynamene bidentata</em> on top of a female surrounded by other females

Photographer: Michael Puleston, Copyright: Michael Puleston

Male isopod surrounded by females

Modal: Male isopod surrounded by females

Photographer: Michael Puleston, Copyright: Michael Puleston

Eurydice pulchra.

Modal: <i>Eurydice pulchra</i>.

Photographer: Marine Ecological Surveys Ltd, Copyright: Marine Ecological Surveys Ltd

Galathea intermedia.

Modal: <i>Galathea intermedia</i>.

Photographer: Marine Ecological Surveys Ltd, Copyright: Marine Ecological Surveys Ltd

A squat lobster Galathea squamifera.

Modal: A squat lobster <i>Galathea squamifera</i>.

Photographer: Paul Naylor, Copyright: Paul Naylor

Galathea squamifera

Modal: <i>Galathea squamifera</i>

Photographer: Gordon Lang, Copyright: Gordon Lang

Galathea squamifera in Charmouth, Cornwall.

Modal: <i>Galathea squamifera</i> in Charmouth, Cornwall.

Photographer: Judith Oakley, Copyright: Judith Oakley

Galathea squamifera on bedrock.

Modal: <i>Galathea squamifera</i> on bedrock.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Galathea squamifera on kelp.

Modal: <i>Galathea squamifera</i> on kelp.

Photographer: Mark Breckels, Copyright: Mark Breckels

A captured squat lobster.

Modal: A captured squat lobster.

Photographer: Tabitha Pearman, Copyright: Tabitha Pearman

A squat lobster sheltering.

Modal: A squat lobster sheltering.

Photographer: Gordon Lang, Copyright: Gordon Lang

Dark brown Galathea squamifera on a rocky shore.

Modal: Dark brown <i>Galathea squamifera</i> on a rocky shore.

Photographer: Judith Oakley, Copyright: Judith Oakley

lateral view of Galathea squamifera

Modal: lateral view of <i>Galathea squamifera</i>

Photographer: Paul Newland, Copyright: Paul Newland

Yellow Galathea squamifera.

Modal: Yellow <i>Galathea squamifera</i>.

Photographer: Judith Oakley, Copyright: Judith Oakley

Hesperibalanus fallax found on a Lobster cage washed up at Paignton Beach; ca 3-5 mm across.

Modal: <em>Hesperibalanus fallax</em> found on a Lobster cage washed up at Paignton Beach; ca 3-5 mm across.

Photographer: Michael Puleston, Copyright: Michael Puleston

Close up of Hesperibalanus fallax found on a Lobster cage washed up at Paignton Beach. Ca. 3-5 mm across.

Modal: Close up of <em>Hesperibalanus fallax</em> found on a Lobster cage washed up at Paignton Beach. Ca. 3-5 mm across.

Photographer: Michael Puleston, Copyright: Michael Puleston

Close up of Hesperibalanus fallax found on a Lobster cage washed up at Paignton Beach. Ca. 3-5 mm across.

Modal: Close up of <em>Hesperibalanus fallax</em> found on a Lobster cage washed up at Paignton Beach. Ca. 3-5 mm across.

Photographer: Michael Puleston, Copyright: Michael Puleston

Green Hippolyte varians in a sandy rockpool.

Modal: Green <i>Hippolyte varians</i> in a sandy rockpool.

Photographer: Judith Oakley, Copyright: Judith Oakley

Red Hippolyte varians on the shore.

Modal: Red <i>Hippolyte varians</i> on the shore.

Photographer: Judith Oakley, Copyright: Judith Oakley

Homarus gammarus, dorsal view.

Modal: <i>Homarus gammarus</i>, dorsal view.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

'Albino' female lobster alongside typical coloured Homarus gammarus

Modal: 'Albino' female lobster alongside typical coloured <i>Homarus gammarus</i>

Photographer: Cathal McNaughton, Copyright: Cathal McNaughton

'Albino' female lobster telson alongside that of the typical coloured Homarus gammarus

Modal: 'Albino' female lobster telson alongside that of the typical coloured <i>Homarus gammarus</i>

Photographer: Cathal McNaughton, Copyright: Cathal McNaughton

Homarus gammarus at Firestone Bay, Plymouth Sound.

Modal: <i>Homarus gammarus</i> at Firestone Bay, Plymouth Sound.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Homarus gammarus at the Manacles, southwest Cornwall.

Modal: <i>Homarus gammarus</i> at the Manacles, southwest Cornwall.

Photographer: Robert Keen, Copyright: Robert Keen

Homarus gammarus from inside a crevice.

Modal: <i>Homarus gammarus</i> from inside a crevice.

Photographer: Judith Oakley, Copyright: Judith Oakley

Homarus gammarus in the Channel Isles.

Modal: <i>Homarus gammarus</i> in the Channel Isles.

Photographer: Sue Daly, Copyright: Sue Daly

Juvenile common lobster released as part of a breeding program

Modal: Juvenile common lobster released as part of a breeding program

Photographer: Paul Newland, Copyright: Paul Newland

Idotea balthica.

Modal: <i>Idotea balthica</i>.

Photographer: Sofie Vandendriessche, Copyright: Sofie Vandendriessche

Idotea granulosa.

Modal: <i>Idotea granulosa</i>.

Photographer: Crown copyright, Copyright: Crown copyright

Idotea pelagica.

Modal: <i>Idotea pelagica</i>.

Photographer: Marco Faasse, Copyright: Marco Faasse

The sea slater Lekanesphaera rugicauda.

Modal: The sea slater <i>Lekanesphaera rugicauda</i>.

Photographer: Paula Lightfoot, Copyright: Paula Lightfoot

Goose barnacles Lepas anatifera washed up on the shore.

Modal: Goose barnacles <i>Lepas anatifera</i> washed up on the shore.

Photographer: Cathy Stevenson, Copyright: Cathy Stevenson

A sea slater emerging from a rock.

Modal: A sea slater emerging from a rock.

Photographer: Abigail Rhodes, Copyright: Abigail Rhodes

Individual Ligia oceanica on rocks on the upper shore at night.

Modal: Individual <I>Ligia oceanica</I> on rocks on the upper shore at night.

Photographer: Jack Sewell, Copyright: Jack Sewell

Individual Ligia oceanica on rocks on the upper shore at night.

Modal: Individual <I>Ligia oceanica</I> on rocks on the upper shore at night.

Photographer: Jack Sewell, Copyright: Jack Sewell

A northern stone crab in the fucoid zone of Robin Hoods bay.

Modal: A northern stone crab in the fucoid zone of Robin Hoods bay.

Photographer: Richard Smith, Copyright: Richard Smith

Munida rugosa at Lundy.

Modal: <i>Munida rugosa</i> at Lundy.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Munida rugosa amongst brittlestars.

Modal: <i>Munida rugosa</i> amongst brittlestars.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Munida rugosa at south Lundy.

Modal: <i>Munida rugosa</i> at south Lundy.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Munida rugosa coming out of a crevice.

Modal: <i>Munida rugosa</i> coming out of a crevice.

Photographer: Fiona Crouch, Copyright: Fiona Crouch

Munida rugosa on lost lobster pots.

Modal: <i>Munida rugosa</i> on lost lobster pots.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Squat lobsters, Munida rugosa.

Modal: Squat lobsters, <i>Munida rugosa.</i>

Photographer: Dr Keith Hiscock, Copyright: Joint Nature Conservation Committee (JNCC)

Line drawing of Neobisium maritimum

Modal: Line drawing of <i>Neobisium maritimum</i>

Photographer: Dick Jones, Copyright: Dick Jones

Neomysis integer.

Modal: <i>Neomysis integer</i>.

Photographer: Marco Faasse, Copyright: Marco Faasse

Female Neomysis integer in a laboratory.

Modal: Female <i>Neomysis integer</i> in a laboratory.

Photographer: John Rundle, Copyright: John Rundle

School of opposum shrimp.

Modal: School of opposum shrimp.

Photographer: Paul Newland, Copyright: Paul Newland

Nephrops norvegicus.

Modal: <i>Nephrops norvegicus</i>.

Photographer: Sue Scott, Copyright: Sue Scott

Nephrops norvegicus in an aquarium with its claws extended.

Modal: <i>Nephrops norvegicus</i> in an aquarium with its claws extended.

Photographer: Judith Oakley, Copyright: Judith Oakley

Nephrops norvegicus, caught in lobster creel.

Modal: <i>Nephrops norvegicus</i>, caught in lobster creel.

Photographer: Sue Scott, Copyright: Sue Scott

Nephrops norvegicus, detail of head

Modal: <i>Nephrops norvegicus</i>, detail of head

Photographer: Sue Scott, Copyright: Sue Scott

Nephrops norvegicus. Female, detail of tail with eggs.

Modal: <i>Nephrops norvegicus</i>.  Female, detail of tail with eggs.

Photographer: Sue Scott, Copyright: Sue Scott

Sea spider with egg sac found under rock in tide pool.

Modal: Sea spider with egg sac found under rock in tide pool.

Photographer: David Fenwick, Copyright: David Fenwick Snr.

Sea spider with egg sac found under rock in tide pool.

Modal: Sea spider with egg sac found under rock in tide pool.

Photographer: David Fenwick, Copyright: David Fenwick Snr.

Pagurus bernhardus on shell gravel.

Modal: <i>Pagurus bernhardus</i> on shell gravel.

Photographer: Paul Naylor, Copyright: Paul Naylor

Pagurus bernhardus in the Channel Isles.

Modal: <i>Pagurus bernhardus</i> in the Channel Isles.

Photographer: Sue Daly, Copyright: Sue Daly

Pagurus bernhardus.

Modal: <i>Pagurus bernhardus</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Bird's eye view of the hermit crab Pagurus bernhardus crawling along.

Modal: Bird's eye view of the hermit crab <i>Pagurus bernhardus</i> crawling along.

Photographer: Judith Oakley, Copyright: Judith Oakley

Naked Pagurus bernhardus in the Channel Isles.

Modal: Naked <i>Pagurus bernhardus</i> in the Channel Isles.

Photographer: Sue Daly, Copyright: Sue Daly

Pre-mating coupling in December.

Modal: Pre-mating coupling in December.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

The hairy hermit crab Pagurus cuanensis

Modal: The hairy hermit crab <em>Pagurus cuanensis</em>

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Pagurus prideaux with the cloak anemone Adamsia carciniopados.

Modal: <i>Pagurus prideaux</i> with the cloak anemone <i>Adamsia carciniopados</i>.

Photographer: Paul Naylor, Copyright: Paul Naylor

Pagurus prideaux on a green background.

Modal: <i>Pagurus prideaux</i> on a green background.

Photographer: Hilmar Hinz, Copyright: Dr Hilmar Hinz

The hermit crab Pagurus prideaux.

Modal: The hermit crab <i>Pagurus prideaux</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Palaemon elegans crawling on the substratum.

Modal: <i>Palaemon elegans</i> crawling on the substratum.

Photographer: Jim Anderson, Copyright: Jim Anderson

Close up view of the head of Palaemon elegans.

Modal: Close up view of the head of <i>Palaemon elegans</i>.

Photographer: Jim Anderson, Copyright: Jim Anderson

Side view of entire individual on rock.

Modal: Side view of entire individual on rock.

Photographer: Mark Thomas, Copyright: Mark Thomas

Palaemon serratus

Modal: <i>Palaemon serratus</i>

Photographer: Sue Daly, Copyright: Sue Daly

Palaemon serratus

Modal: <i>Palaemon serratus</i>

Photographer: Gordon Lang, Copyright: Gordon Lang

Palaemon serratus at Wembury.

Modal: <i>Palaemon serratus</i> at Wembury.

Photographer: Judith Oakley, Copyright: Judith Oakley

Common prawn Palaemon serratus on a circalittoral bedrock slope at Firestone Bay, Plymouth Sound.

Modal: Common prawn <i>Palaemon serratus</i> on a circalittoral bedrock slope at Firestone Bay, Plymouth Sound.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Large Palaemon serratus in shallow water.

Modal: Large <i>Palaemon serratus</i> in shallow water.

Photographer: Judith Oakley, Copyright: Judith Oakley

Two spiny lobsters.

Modal: Two spiny lobsters.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

A juvenile crawfish emerging from its 'den'.

Modal: A juvenile crawfish emerging from its 'den'.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Crawfish emerging from crevice.

Modal: Crawfish emerging from crevice.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Crawfish with recent moult at the front of the aquarium.

Modal: Crawfish with recent moult at the front of the aquarium.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Freshly caught Palinurus elephas out of water.

Modal: Freshly caught <i>Palinurus elephas</i> out of water.

Photographer: Holly Latham, Copyright: Holly Latham

Larval form of Palinurus elephas

Modal: Larval form of <em>Palinurus elephas </em>

Photographer: David Conway, Copyright: Marine Biological Association of the UK (MBA)

Larval form of Palinurus elephas

Modal: Larval form of <em>Palinurus elephas</em>

Photographer: David Conway, Copyright: Marine Biological Association of the UK (MBA)

Spiny lobster.

Modal: Spiny lobster.

Photographer: Sue Scott, Copyright: Sue Scott

Spiny lobster.

Modal: Spiny lobster.

Photographer: Sue Scott, Copyright: Sue Scott

The front of a crawfish hiding between rocks.

Modal: The front of a crawfish hiding between rocks.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

The life cycle of the European spiny lobster from larvae to adult

Modal: The life cycle of the European spiny lobster from larvae to adult

Photographer: Dr Keith Hiscock, Copyright: Marine Biological Association of the UK (MBA)

Pandalus montagui head.

Modal: <i>Pandalus montagui</i> head.

Photographer: Hilmar Hinz, Copyright: Dr Hilmar Hinz

Pandalus montagui on a green background.

Modal: <i>Pandalus montagui</i> on a green background.

Photographer: Hilmar Hinz, Copyright: Dr Hilmar Hinz

Perforatus perforatus on rock with Mytilus edulis.

Modal: <i>Perforatus perforatus</i> on rock with <i>Mytilus edulis</i>.

Photographer: Peter Barfield, Copyright: Peter Barfield

Perforatus perforatus and sponges on a boulder.

Modal: <i>Perforatus perforatus</i> and sponges on a boulder.

Photographer: Judith Oakley, Copyright: Judith Oakley

Perforatus perforatus, Whitsand Bay.

Modal: <i>Perforatus perforatus</i>, Whitsand Bay.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

A single Perforatus perforatus specimen.

Modal: A single <i>Perforatus perforatus</i> specimen.

Photographer: Judith Oakley, Copyright: Judith Oakley

Dead, white Perforatus perforatus.

Modal: Dead, white <i>Perforatus perforatus</i>.

Photographer: Judith Oakley, Copyright: Judith Oakley

Larger Perforatus perforatus next to smaller Chthamalus montagui and white Semibalanus balanoides.

Modal: Larger <i>Perforatus perforatus</i> next to smaller <i>Chthamalus montagui</i> and white <i>Semibalanus balanoides</i>.

Photographer: Judith Oakley, Copyright: Judith Oakley

Pair of purple Perforatus perforatus on a rocky shore.

Modal: Pair of purple <i>Perforatus perforatus</i> on a rocky shore.

Photographer: Judith Oakley, Copyright: Judith Oakley

Three Perforatus perforatus individuals surrounded by much smaller Chthamalus montagui.

Modal: Three <i>Perforatus perforatus</i> individuals surrounded by much smaller <i>Chthamalus montagui</i>.

Photographer: Judith Oakley, Copyright: Judith Oakley

Periclimenes sagittifer amongst the tentacles of Anemonia viridis in the Channel Isles.

Modal: <i>Periclimenes sagittifer</i> amongst the tentacles of <i>Anemonia viridis</i> in the Channel Isles.

Photographer: Sue Daly, Copyright: Sue Daly

Aggregation of Petrobius maritimus.

Modal: Aggregation of <i>Petrobius maritimus</i>.

Photographer: Harvey Tyler-Walters, Copyright: Dr Harvey Tyler-Walters

Pisidia longicornis next to barnacles.

Modal: <i>Pisidia longicornis</i> next to barnacles.

Photographer: Judith Oakley, Copyright: Judith Oakley

Pisidia longicornis out of water.

Modal: <i>Pisidia longicornis</i> out of water.

Photographer: Holly Latham, Copyright: Holly Latham

Close up of Pisidia longicornis

Modal: Close up of <i>Pisidia longicornis</I>

Photographer: Jack Sewell, Copyright: Jack Sewell

Six Pisidia longicornis individuals.

Modal: Six <i>Pisidia longicornis</i> individuals.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Pollicipes pollicipes attached to rocky shore near Tator Du Lighthouse, Cornwall.

Modal: <i>Pollicipes pollicipes</i> attached to rocky shore near Tator Du Lighthouse, Cornwall.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Pollicipes pollicipes on rocks at Porthcurno

Modal: <i>Pollicipes pollicipes</i> on rocks at Porthcurno

Photographer: Liam Faisey, Copyright: Liam Faisey

Pollicipes pollicipes on rocks at Porthcurno

Modal: <i>Pollicipes pollicipes</i> on rocks at Porthcurno

Photographer: Liam Faisey, Copyright: Liam Faisey

Pollicipes pollicipes on rocks at Porthcurno

Modal: <i>Pollicipes pollicipes</i> on rocks at Porthcurno

Photographer: Liam Faisey, Copyright: Liam Faisey

A broad-clawed porcelain crab.

Modal: A broad-clawed porcelain crab.

Photographer: Tabitha Pearman, Copyright: Tabitha Pearman

An algal covered broad-clawed crab

Modal: An algal covered broad-clawed crab

Photographer: Tabitha Pearman, Copyright: Tabitha Pearman

Lone Porcellana platycheles individual in between boulders.

Modal: Lone <i>Porcellana platycheles</i> individual in between boulders.

Photographer: Judith Oakley, Copyright: Judith Oakley

Multiple Porcellana platycheles individuals on a rocky shore.

Modal: Multiple <i>Porcellana platycheles</i> individuals on a rocky shore.

Photographer: Judith Oakley, Copyright: Judith Oakley

Pycnogonum litorale feeding on an anemone.

Modal: <i>Pycnogonum litorale</i> feeding on an anemone.

Photographer: Paul Tranter, Copyright: Paul Tranter

Rissoides desmaresti held in gloved hand.

Modal: <i>Rissoides desmaresti</i> held in gloved hand.

Photographer: Rohan Holt, Copyright: Dr Rohan Holt

Rissoides desmaresti on the sea bed.

Modal: <i>Rissoides desmaresti</i> on the sea bed.

Photographer: Rohan Holt, Copyright: Dr Rohan Holt

Scalpellum scalpellum.

Modal: <i>Scalpellum scalpellum</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Group of individuals.

Modal: Group of individuals.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Semibalanus balanoides loosely gathered on a rock.

Modal: <i>Semibalanus balanoides</i> loosely gathered on a rock.

Photographer: Peter Barfield, Copyright: Peter Barfield

Semibalanus balanoides mating (penis extended and penetrating neighbouring barnacle).

Modal: <i>Semibalanus balanoides</i> mating (penis extended and penetrating neighbouring barnacle).

Photographer: Sue Scott, Copyright: Sue Scott

Semibalanus balanoides.

Modal: <i>Semibalanus balanoides</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Close up of Semibalanus balanoides.

Modal: Close up of <i>Semibalanus balanoides</i>.

Photographer: Dr Keith Hiscock, Copyright: Dr Keith Hiscock

Verruca stroemia attached to a rockface.

Modal: <i>Verruca stroemia</i> attached to a rockface.

Photographer: Rob Jutsum, Copyright: Rob Jutsum

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