Recording Marine Life

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Records of Archidoris pseudoargus

Number seen/Abundance Date Location Comments Recorded by
2 2004-05-08
Jennycliff Bay, near Plymouth. Rocky shore, alongside sandy/gravelly beach.
under rock low down shore Seashore Safari
1 2004-06-05
Wembury Beach, South Hams, Devon. Rocky shore with some sandy patches
Very small individual found under a rock low down shore. Seashore Safari
C 2000-05-05 Inner Farne
Inner Farne; Farne Islands
Common, egg ribbons also seen Owain Gabb
C 2001-04-09 Inner Farne
Inner Farne; Farne Islands
Common Owain Gabb
C 2001-08-21
Inner Farne; Farne Islands
Common, largest specimen c.7cm - photographed Owain Gabb
1 2005-03-12 Firestone Bay
Firestone Bay, Plymouth Sound
Found under a rock on the lower shore Seashore Safari
1 2005-05-20 Lindisfarne
St Mary's Local Nature Reserve 1km north of Whitley Bay
Unsure about the species as it was pink - otherwise like Sea Lemon - as was lacking oral tentacles. Yellow Rhinophores. Barbara Brown
1 2005-06-05
Goodrington Sands on shore in front of Seashore Centre
Seen in a crevice Judith Oakley
1 2005-08-10 Blackstone Rocks
Blackstone rocks Wembury beach
Attached on underneath of crevice, low shore gulley Cat Ridout
1 2005-10-01 Blackstone Rocks
Blackstone Rocks, Wembury
approx 6cm length, in crevice low shore Cat Ridout
1 2005-10-02 Blackstone Rocks
Blackstone Rocks, Wembury
in crevice low shore approx 4.5-5cm in length Cat Ridout
1 2005-09-26 Fowey estuary
Fowey estuary, marina, Cornwall
Small specimen inside tyre Judith Oakley
1 2006-05-27 Blackstone Reef
Blackstone reef
3.5cm long Cat Ridout
Eggs only 2006-04-30 Blackstone Rocks
Blackstone Rocks, Wembury Beach
Yellow spiral of eggs Cat Ridout
1 2006-09-09 Blackstone Rocks
Blackstone Rocks Wembury Beach. Very low spring tide. 0.3m
4.5cm Cat Ridout
1 2006-09-09 Sandymouth bay
Sandymouth bay North Cornwall
In rock pool Steve Trewhella
2 2006-09-09
East end of Batten Bay, Mount Batten, Plymouth.
Seen in a crevice at low water (0.3m tide). Charlotte Marshall
3 2007-03-21
West Hoe by water front pub, Plymouth
Clinging to rocks in overhang, very low tide. Egg ribbons near by Jon Parr
4 2007-03-21
West Hoe by water front pub, Plymouth
White/yellow - ribbon of eggs but no adults Jon Parr
Under rock at low shore next to ribbon egg mass.
Occasional 2007-04-03
Mount Batten Beach
Two found mating under a rock! Milly Hatton-Brown
rockpool 5 cm
4 2008-02-11 Croyde
Croyde, south end at Downend
smooth white and pinkish- on sheltered damp rocks Paula Ferris
10 2008-03-09
Croyde, Downend
same gully, laying eggs Paula Ferris
1 2009-03-29 Downend
1 inch, out of water on rock face. 2 egg masses found in vicinity, at least 20 ft away Paula Ferris
1 2009-05-28 Larne Lough
Muddy flats exposed at low tide in the southern region of Larne Lough, near maghermourne and encountered a single Sea-Lemon, Archidoris pseudoargus feeding on Halichondria sponges which are common.
Feeding on Halichondria sponges. I returned to the lab and took some photographs and confirmed species, I think? It started producing egg ribbons probably in response to the warm water! Donald Saville
1 2009-09-17 Rockham, North Devon
Small sandy bay flanked by slatey clifs, small headlands with rocky substrate in gulleys between rocks
Large slug, on roof of hole in rocks mid shore Paula Ferris
1 2009-12-12 Farne Islands
Rocky islands 20 minutes by boat from Seahouses, Northumberland. Small islands 5 minutes north west of the largest Island
3cm across on rocks at 5m Lauren Burghes
1 2010-01-01 Barricane
Long sheltered gulley at right angle to cliff, mid shore
low on cliff face, large purple specimen Paula Ferris
1 2010-02-14 Downend Croyde
rocky shore, exposed, low shore gulley
Large animal, on seaweed at strandline Paula Ferris
2 2010-03-02 Greencliff, near Westward Ho
Semi exposed rocky shore, facing north west, wave cut platform with gullies, some sand at low water
Low shore probably mating, lee side low rocks Paula Ferris
2 2010-04-16 Downend, Croyde
Wave cut platform across folded rocks, up to 2m gullies, one large pool.
curled round one another on low sheltered vertical rock face, low shore, eggs nearby Paula Ferris
6 2010-04-18 Downend, Croyde
Amidst rocky ridges stretching to sea, towards northern edge of rocky headland, between Saunton Sands and Croyde.
2 pairs & 2 sinletons, eggs nearby, 2 other strings of eggs, no adjacent slugs Paula Ferris
2 2010-09-09 Westward Ho!
Semi-exposed shore, rocky shore at end sandy beach, rock platform cut by gullies and pools, sand at low tide
Low shore, separate rock-pools one small, one large. Egg strings nearby Paula Ferris
5 22/01/2011 Downend, Croyde
gullies parallel to shore low shore, rocky platform
2 pairs, 3 individuals in rocky crevices low shore Paula Ferris
11 19/02/2011 Downend Croyde
Low shore gullies off NW SE fault line across shore platform
Mainly in pairs, egglaying lower shore, under ledges etc rock boulders, gullies Paula Ferris
1 05/03/2011 Gyllyngvase Beach, Falmouth
Rocky shore
Kristie Wilkinson
1 27/09/2011 Downend, VCroyde
low shore rocks, crevices, pools etc
on overhang, low shore Paula Ferris
2 30/09/2011 Downend, Croyde
Usual gullies off fault line in wave cut rock platform
one mid, one low shore Paula Ferris
3 09/03/2012 Westward Ho!
Extreme low shore edge of moderately exposed wave-cut platform, with deep sandy-floored gullies and rocky overhangs.
All specimens appx 35mm long, on sponge encrusted overhanging rock. 2 were in over-lapping physical contact, one of these very purple in colour. Robert Durrant
2 11/03/2012 Saunton, N Devon
Rocks between base of Saunton Down & Saunton Sands
Low shore vertical rock face, at 1 m high. Seen together, no eggs there, some found elsewhere Paula Ferris
6 07/04/2012 Greencliff
Wave cut platform on fairly exposed shore. Occasional sandy-bottomed gullies, many overhangs created by leaning rock strata.
Two mating pairs, purplish mottled, one close to eggs. One lemon yellow individual. All on overhanging strata encrusted with sponges. These appx 4cm length. A single pale flatter specimen, taken to be a juvenile, under a stone. This appx 15mm length. Lower shore. Robert Durrant
1 08/05/2012 Albion Sands
Sandy SW-facing beach, sheltered by Gateholm to S & W,flanked by cliffs, with some outcropping strata central and W edge, & large boulder field E edge.
! specimen (yellow) ca 40mm, low on low-shore rock outcrop. Robert Durrant