MarLIN

information on the biology of species and the ecology of habitats found around the coasts and seas of the British Isles

An amphipod (Hyperia galba)

Distribution data supplied by the Ocean Biogeographic Information System (OBIS). To interrogate UK data visit the NBN Atlas.

Summary

Description

A key feature of Hyperia galba are the large green eyes, and swollen head and thorax, all of which are more pronounced in the females . Males have long, filiform antennae, while the female's are very short. The first two pairs of gnathopods are small and simple, unlike many other amphipods. Growing to around 1 cm in length, Hyperia galba, is a very widespread species.

Recorded distribution in Britain and Ireland

Recorded from most coasts around the UK but only from southwest Ireland.

Global distribution

Cosmopolitan.

Habitat

This quite common pelagic amphipod is parasitic on many jellyfish and comb-jellies including the dustbin-lid Rhizostoma octopus, moon Aurelia aurita, Lion's mane Cyanea capillata and compass jellyfish Chrysaora hysoscella as well as the sea gooseberry Beroe spp. Hyperia galba may be found externally or internally where it has burrowed into the host.

Depth range

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Identifying features

  • Large green eyes.
  • Male antennae long and filiform, female antennae are very short.
  • Head and thorax swollen compared to abdomen, particularly in females.
  • Gnathopods simple with acute, projecting, distal lobe on carpus.
  • Pleopods with lanceolate rami.

Additional information

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Listed by

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Further information sources

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Bibliography

    Citation

    This review can be cited as:

    Hosie, A.M. 2009. Hyperia galba An amphipod. In Tyler-Walters H. and Hiscock K. (eds) Marine Life Information Network: Biology and Sensitivity Key Information Reviews, [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 26-09-2018]. Available from: https://www.marlin.ac.uk/species/detail/2208

    Last Updated: 06/01/2009