Species Gallery (Malacostraca)
The links below will open a large version of the image in an overlay
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Alpheus glaber.
Copyright: Ivor Rees
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A bright red Alpheus glaber.
Copyright: Dr Hilmar Hinz
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Atelecyclus rotundatus on the east coast of Lundy.
Copyright: Dr Keith Hiscock
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Captive Atelecyclus rotundatus.
Copyright: Holly Latham
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The circular crab Atelecyclus rotundatus.
Copyright: Marine Ecological Surveys Ltd
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Dorsal view of Athanas nitescens in shallow waters.
Copyright: Judith Oakley
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Hooded shrimp in a tide pool.
Copyright: David Fenwick Snr.
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Bathyporeia elegans.
Copyright: Crown copyright
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An individual of the Callianassa genus.
Copyright: Crown copyright
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Cancer pagurus, edible crab.
Copyright: Sue Daly
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Cancer pagurus and various other fauna.
Copyright: Sue Scott
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Cancer pagurus at Scapa Flow, Orkneys.
Copyright: Robert Keen
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Cancer pagurus in a refuge.
Copyright: Fiona Crouch
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Cancer pagurus.
Copyright: Dr Keith Hiscock
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Dark brown Cancer pagurus hiding its claws.
Copyright: Judith Oakley
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Front view of Cancer pagurus, clutching a bivalve.
Copyright: Judith Oakley
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Side view of Cancer pagurus seeking refuge.
Copyright: Judith Oakley
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The edible crab Cancer pagurus burrowing into sandy substratum.
Copyright: Judith Oakley
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Caprella mutica on a tunicate.
Copyright: Dr Elizabeth Cook
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Juvenile (first instar) Caprella mutica.
Copyright: Kate Willis
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Propodus of gnathopod II of an adult male Caprella mutica showing the prominent middle projection.
Copyright: Kate Willis
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Two Carcinus maenas mating.
Copyright: Peter Barfield
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Carcinus maenas (dark form)
Copyright: Paul Newland
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Carcinus maenas reaching for the camera.
Copyright: Fiona Crouch
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Carcinus maenas with eggs on Arenicola marina worm cast.
Copyright: Sue Daly
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a common shore crab in the intertidal zone.
Copyright: Tabitha Pearman
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A juvenille Carcinus maenas crab.
Copyright: MarLIN
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Dorsal view of Carcinus maenas out of the water.
Copyright: Judith Oakley
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Dorsal view of egg-carrying Carcinus maenas.
Copyright: Judith Oakley
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Egg-carrying Carcinus maenas from a rockpool.
Copyright: Judith Oakley
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Frontal close up of the common shore crab Carcinus maenas.
Copyright: John Rafferty
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Cestopagurus timidus
Copyright: Marco Faasse
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Clibanarius erythropus emerging from shell.
Copyright: Marco Faasse
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Corophium volutator in a muddy footprint.
Copyright: Sue Scott
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Male Corystes cassivelaunus in the Channel Isles.
Copyright: Sue Daly
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Corystes cassivelaunus burying itself in sand.
Copyright: Paul Newland
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A laboratory specimen of Corystes cassivelaunus.
Copyright: Dr Hilmar Hinz
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Male Corystes cassivelaunus carrying a female.
Copyright: Paul Newland
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Male Corystes cassivelaunus highlighting length of cheliped.
Copyright: Marine Ecological Surveys Ltd
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Crangon allmanni.
Copyright: Crown copyright
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Crangon crangon on shell fragments and gravel (from above).
Copyright: John Rundle
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Crangon crangon in a laboratory.
Copyright: John Rundle
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Crangon crangon on shell fragments and gravel (side view).
Copyright: John Rundle
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Dorsal view of Crangon crangon.
Copyright: Marine Ecological Surveys Ltd
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Extreme end of the first walking leg (pereiopod) of Crangon crangon. The last segment (dactyl) hinges on the second-to-last segment (propodus).
Copyright: Marine Biological Association of the UK (MBA)
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Close up of Diastylis rathkei.
Copyright: Crown copyright
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Diogenes pugilator crawling over wet sand.
Copyright: Judith Oakley
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Diogenes pugilator engulfed in sand.
Copyright: Judith Oakley
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Dromia personata.
Copyright: Sue Daly
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Male Dynamene bidentata surrounded by females
Copyright: Michael Puleston
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A male surrounded by five other females
Copyright: Michael Puleston
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Female Dynamene bidentata
Copyright: Michael Puleston
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Male Dynamene bidentata on top of a female surrounded by other females
Copyright: Michael Puleston
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Male isopod surrounded by females
Copyright: Michael Puleston
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Ebalia tumefacta.
Copyright: Marco Faasse
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Ebalia tumefacta at Barricane, Devon
Copyright: Paula Ferris
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The nut crab Ebalia tumefacta.
Copyright: Paula Lightfoot
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Echinogammarus incertae sedis planicrurus
Copyright: David Fenwick Snr.
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Head and gnathopods of Echinogammarus incertae sedis planicrurus
Copyright: David Fenwick Snr.
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Uropods of Echinogammarus incertae sedis planicrurus
Copyright: David Fenwick Snr.
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Eriocheir sinensis collected 20 August 1992.
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: after the metamorphosis from megalop to first crab stage the abdomen becomes tucked under the body of the crab.
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: broad, U-shaped abdomen of adult female crab to protect eggs.
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: carapace is quadrate [squarish].
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: frontal carapace margin between the eyes with four distinct sharp lobes.
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: lateral carapace margin with four teeth (spines).
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: megalop, with extend abdomen giving lobster-like appearance (reared in the Zoology Department, NHM).
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: narrow V-shaped abdomen of adult male crab.
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: setal mat (mittens) on chela (claw) of adult male crab. The function of the mittens remains a mystery.
Copyright: Natural History Museum (NHM)
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Eriocheir sinensis: zoeal stage VI (eared in the Zoology Department, NHM).
Copyright: Natural History Museum (NHM)
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An advert from a local Thai newspaper.
Copyright: Natural History Museum (NHM)
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Mitten crab purchased from a street market in Hong Kong.
Copyright: Natural History Museum (NHM)
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Eurydice pulchra.
Copyright: Marine Ecological Surveys Ltd
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Galathea intermedia.
Copyright: Marine Ecological Surveys Ltd
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A squat lobster Galathea squamifera.
Copyright: Paul Naylor
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Galathea squamifera
Copyright: Gordon Lang
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Galathea squamifera in Charmouth, Cornwall.
Copyright: Judith Oakley
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Galathea squamifera on bedrock.
Copyright: Dr Keith Hiscock
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Galathea squamifera on kelp.
Copyright: Mark Breckels
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A captured squat lobster.
Copyright: Tabitha Pearman
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A squat lobster sheltering.
Copyright: Gordon Lang
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Dark brown Galathea squamifera on a rocky shore.
Copyright: Judith Oakley
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lateral view of Galathea squamifera
Copyright: Paul Newland
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Yellow Galathea squamifera.
Copyright: Judith Oakley
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Image of a male specimen of Gonoplax rhomboides.
Copyright: Alex Fraser
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Goneplax rhomboides off Tibbetts Point, Lundy.
Copyright: Dr Keith Hiscock
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Anterior view of Goneplax rhomboides with both claws postioned forwards.
Copyright: Judith Oakley
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Anterior view of Goneplax rhomboides with one claw turned backwards.
Copyright: Judith Oakley
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Posterior view of Goneplax rhomboides.
Copyright: Judith Oakley
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Green Hippolyte varians in a sandy rockpool.
Copyright: Judith Oakley
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Red Hippolyte varians on the shore.
Copyright: Judith Oakley
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Homarus gammarus, dorsal view.
Copyright: Dr Keith Hiscock
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'Albino' female lobster alongside typical coloured Homarus gammarus
Copyright: Cathal McNaughton
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'Albino' female lobster telson alongside that of the typical coloured Homarus gammarus
Copyright: Cathal McNaughton
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Homarus gammarus at Firestone Bay, Plymouth Sound.
Copyright: Dr Keith Hiscock
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Homarus gammarus at the Manacles, southwest Cornwall.
Copyright: Robert Keen
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Homarus gammarus from inside a crevice.
Copyright: Judith Oakley
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Homarus gammarus in the Channel Isles.
Copyright: Sue Daly
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Juvenile common lobster released as part of a breeding program
Copyright: Paul Newland
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Hyas araneus.
Copyright: Paul Naylor
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Dorsal view of Hyas araneus.
Copyright: Scottish Natural Heritage (SNH)
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Hyas coarctatus specimen 18 mm long.
Copyright: Dr Hilmar Hinz
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The toad crab Hyas coarctatus.
Copyright: Marine Ecological Surveys Ltd
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Idotea balthica.
Copyright: Sofie Vandendriessche
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Idotea granulosa.
Copyright: Crown copyright
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Idotea pelagica.
Copyright: Marco Faasse
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Inachus dorsettensis in front of snakelocks anenome.
Copyright: Paul Newland
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Inachus dorsettensis close up.
Copyright: Steven Campbell
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Inachus dorsettensis in front of snakelocks anenome.
Copyright: Paul Newland
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Inachus dorsettensis with attached sponges, Plymouth Sound.
Copyright: Dr Keith Hiscock
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Inachus phalangium on the west coast of Scotland.
Copyright: Fiona Crouch
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Inachus phalangium amongst Anemonia viridis tentacles at Bovisand, Plymouth.
Copyright: Dr Keith Hiscock
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Inachus phalangium on a boulder.
Copyright: Judith Oakley
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Inachus phalangium on a rocky shore.
Copyright: Judith Oakley
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Inachus phalangium sheltering under an anemone.
Copyright: Dr Keith Hiscock
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Inachus phalangium.
Copyright: Dr Keith Hiscock
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Jassa falcata redrawn after Sars, 1890.
Copyright: MarLIN
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Close up of tubes and the jassid amphipods in them.
Copyright: Dr Keith Hiscock
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Tubes and emergent Jassa falcata on a Tubularia indivisa stalk.
Copyright: Dr Keith Hiscock
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Tubes of jassid amphipods.
Copyright: Dr Keith Hiscock
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The sea slater Lekanesphaera rugicauda.
Copyright: Paula Lightfoot
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A sea slater emerging from a rock.
Copyright: Abigail Rhodes
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Individual Ligia oceanica on rocks on the upper shore at night.
Copyright: Jack Sewell
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Individual Ligia oceanica on rocks on the upper shore at night.
Copyright: Jack Sewell
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Liocarcinus corrugatus.
Copyright: Steven Campbell
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Dorsal view of male and female.
Copyright: Dr Keith Hiscock
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Liocarcinus depurator in pre-mating position.
Copyright: Dr Keith Hiscock
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Liocarcinus depurator on a green background.
Copyright: Dr Hilmar Hinz
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Liocarcinus depurator out of water.
Copyright: Holly Latham
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Liocarcinus depurator.
Copyright: Sue Scott
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Liocarcinus depurator.
Copyright: Crown copyright
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Comparative images of Liocarcinus species.
Copyright: Ivor Rees
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Liocarcinus holsatus out of water.
Copyright: Scottish Association for Marine Science (SAMS)
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Liocarcinus holsatus.
Copyright: Crown copyright
![](/assets/images/marlin/species/web/o_glang20100128_1.jpg)
A flying crab.
Copyright: Gordon Lang
![](/assets/images/marlin/species/web/o_liospp.jpg)
Comparative images of Liocarcinus species.
Copyright: Ivor Rees
![](/assets/images/marlin/species/web/o_liomar2.jpg)
Liocarcinus marmoreus on a black background.
Copyright: Dr Hilmar Hinz
![](/assets/images/marlin/species/web/o_liospp.jpg)
Comparative images of Liocarcinus species.
Copyright: Ivor Rees
![](/assets/images/marlin/species/web/o_rsmith20100522.jpg)
A northern stone crab in the fucoid zone of Robin Hoods bay.
Copyright: Richard Smith
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Macropodia deflexa covered in algae and sediment.
Copyright: Paul Newland
![](/assets/images/marlin/species/web/o_macten.jpg)
Macropodia tenuirostris.
Copyright: Steven Campbell
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Maja brachydactyla at Firestone Bay in Plymouth Sound.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_majsqu3.jpg)
Maja brachydactyla aggregation around a stand of japweed.
Copyright: Paul Newland
![](/assets/images/marlin/species/web/o_majsqu7.jpg)
Maja brachydactyla covered in seaweed strands.
Copyright: Fiona Crouch
![](/assets/images/marlin/species/web/o_majsqu8.jpg)
Maja brachydactyla crawling along the seabed.
Copyright: Fiona Crouch
![](/assets/images/marlin/species/web/o_majsqu4.jpg)
Maja brachydactyla exhibiting barnacle infestation.
Copyright: Paul Newland
![](/assets/images/marlin/species/web/o_majsqu9.jpg)
Maja brachydactyla feeding.
Copyright: Fiona Crouch
![](/assets/images/marlin/species/web/o_majsqu6.jpg)
Maja brachydactyla hiding under various seaweeds and hydroids.
Copyright: Peter Barfield
![](/assets/images/marlin/species/web/o_majsqu2.jpg)
Maja brachydactyla in the Channel Isles.
Copyright: Sue Daly
![](/assets/images/marlin/species/web/o_majsqu10.jpg)
Colourful carapace of Maja brachydactyla.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_majsqu5.jpg)
Dorsal view of Maja brachydactyla. Carapace and legs encrusted with barnacles.
Copyright: Dr Keith Hiscock
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Munida rugosa at Lundy.
Copyright: Dr Keith Hiscock
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Munida rugosa amongst brittlestars.
Copyright: Dr Keith Hiscock
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Munida rugosa at south Lundy.
Copyright: Dr Keith Hiscock
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Munida rugosa coming out of a crevice.
Copyright: Fiona Crouch
![](/assets/images/marlin/species/web/o_munrug3.jpg)
Munida rugosa on lost lobster pots.
Copyright: Dr Keith Hiscock
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Squat lobsters, Munida rugosa.
Copyright: Joint Nature Conservation Committee (JNCC)
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Necora puber.
Copyright: Sue Daly
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Necora puber
Copyright: Sue Daly
![](/assets/images/marlin/species/web/o_necpub7.jpg)
Necora puber in Batten Bay.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_glang20110119_3.jpg)
A feeding velvet swimming crab.
Copyright: Gordon Lang
![](/assets/images/marlin/species/web/o_glang20110119_8.jpg)
A velvet swimming crab.
Copyright: Gordon Lang
![](/assets/images/marlin/species/web/o_necpub2.jpg)
Dorsal view of Necora puber.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_necpub6.jpg)
The swimming crab Necora puber.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_necpub3.jpg)
Velvet swimming or fiddler crab.
Copyright: Dr Keith Hiscock
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Neomysis integer.
Copyright: Marco Faasse
![](/assets/images/marlin/species/web/o_neoint2.jpg)
Female Neomysis integer in a laboratory.
Copyright: John Rundle
![](/assets/images/marlin/species/web/o_pnewland20090712.jpg)
School of opposum shrimp.
Copyright: Paul Newland
![](/assets/images/marlin/species/web/o_nepnor.jpg)
Nephrops norvegicus.
Copyright: Sue Scott
![](/assets/images/marlin/species/web/o_nepnor5.jpg)
Nephrops norvegicus in an aquarium with its claws extended.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_nepnor4.jpg)
Nephrops norvegicus, caught in lobster creel.
Copyright: Sue Scott
![](/assets/images/marlin/species/web/o_nepnor2.jpg)
Nephrops norvegicus, detail of head
Copyright: Sue Scott
![](/assets/images/marlin/species/web/o_nepnor3.jpg)
Nephrops norvegicus. Female, detail of tail with eggs.
Copyright: Sue Scott
![](/assets/images/marlin/species/web/o_pacmar.jpg)
A marbled rock crab Pachygrapsus marmoratus.
Copyright: Ines Cristovao
![](/assets/images/marlin/species/web/o_pacmar2.jpg)
Underside of female Pachygrapsus marmoratus.
Copyright: Ines Cristovao
![](/assets/images/marlin/species/web/o_pagber.jpg)
Pagurus bernhardus on shell gravel.
Copyright: Paul Naylor
![](/assets/images/marlin/species/web/o_pagber4.jpg)
Pagurus bernhardus in the Channel Isles.
Copyright: Sue Daly
![](/assets/images/marlin/species/web/o_pagber6.jpg)
Pagurus bernhardus.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_pagber3.jpg)
Bird's eye view of the hermit crab Pagurus bernhardus crawling along.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_pagber5.jpg)
Naked Pagurus bernhardus in the Channel Isles.
Copyright: Sue Daly
![](/assets/images/marlin/species/web/o_pagber2.jpg)
Pre-mating coupling in December.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_KHiscock_Pagurus_cuanensis_Suberites_ficus_or_pagurorum_Firestone_2021-11-03.jpg)
The hairy hermit crab Pagurus cuanensis
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_pagpri.jpg)
Pagurus prideaux with the cloak anemone Adamsia carciniopados.
Copyright: Paul Naylor
![](/assets/images/marlin/species/web/o_pagpri3.jpg)
Pagurus prideaux on a green background.
Copyright: Dr Hilmar Hinz
![](/assets/images/marlin/species/web/o_pagpri2.jpg)
The hermit crab Pagurus prideaux.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_palelegans.jpg)
Palaemon elegans crawling on the substratum.
Copyright: Jim Anderson
![](/assets/images/marlin/species/web/o_palelegans2.jpg)
Close up view of the head of Palaemon elegans.
Copyright: Jim Anderson
![](/assets/images/marlin/species/web/o_palser.jpg)
Side view of entire individual on rock.
Copyright: Mark Thomas
![](/assets/images/marlin/species/web/o_sdaly20100806_1.jpg)
Palaemon serratus
Copyright: Sue Daly
![](/assets/images/marlin/species/web/o_glang20110116_2.jpg)
Palaemon serratus
Copyright: Gordon Lang
![](/assets/images/marlin/species/web/o_palser4.jpg)
Palaemon serratus at Wembury.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_palser2.jpg)
Common prawn Palaemon serratus on a circalittoral bedrock slope at Firestone Bay, Plymouth Sound.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_palser3.jpg)
Large Palaemon serratus in shallow water.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_palele.jpg)
Two spiny lobsters.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_KHiscock-Palinurus-elephas-2015-04-11.jpg)
A juvenile crawfish emerging from its 'den'.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_KHiscock-Palinurus_elephas_Needle_Rk_Lundy_220712_pp.jpg)
Crawfish emerging from crevice.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_KHiscock-Palinurus-elephas-Aquarium-2018-03-31.jpg)
Crawfish with recent moult at the front of the aquarium.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_hlatham20090226_1.jpg)
Freshly caught Palinurus elephas out of water.
Copyright: Holly Latham
![](/assets/images/marlin/species/web/o_DConway-Palinurus-elephas-larvae-2013-05-25.jpg)
Larval form of Palinurus elephas
Copyright: Marine Biological Association of the UK (MBA)
![](/assets/images/marlin/species/web/o_DConway-Palinurus-elephas-larvae.jpg)
Larval form of Palinurus elephas
Copyright: Marine Biological Association of the UK (MBA)
![](/assets/images/marlin/species/web/o_palele3.jpg)
Spiny lobster.
Copyright: Sue Scott
![](/assets/images/marlin/species/web/o_palele4.jpg)
Spiny lobster.
Copyright: Sue Scott
![](/assets/images/marlin/species/web/o_palele2.jpg)
The front of a crawfish hiding between rocks.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_EGibson-Hall-Palinurus-elephas-Life-Cycle-2018-11-08.jpg)
The life cycle of the European spiny lobster from larvae to adult
Copyright: Marine Biological Association of the UK (MBA)
![](/assets/images/marlin/species/web/o_panmon.jpg)
Pandalus montagui head.
Copyright: Dr Hilmar Hinz
![](/assets/images/marlin/species/web/o_panmon2.jpg)
Pandalus montagui on a green background.
Copyright: Dr Hilmar Hinz
![](/assets/images/marlin/species/web/o_persag.jpg)
Periclimenes sagittifer amongst the tentacles of Anemonia viridis in the Channel Isles.
Copyright: Sue Daly
![](/assets/images/marlin/species/web/o_pilhir.jpg)
A male bristly crab Pilumnus hirtellus.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_pilhir3.jpg)
Pilumnus hirtellus from under a boulder.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_pilhir4.jpg)
Pilumnus hirtellus on cobbles.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_pilhir2.jpg)
The bristly crab Pilumnus hirtellus.
Copyright: Jack Sewell
![](/assets/images/marlin/species/web/o_pislon3.jpg)
Pisidia longicornis next to barnacles.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_hlatham20090610_1.jpg)
Pisidia longicornis out of water.
Copyright: Holly Latham
![](/assets/images/marlin/species/web/o_jsewell20100729.jpg)
Close up of Pisidia longicornis
Copyright: Jack Sewell
![](/assets/images/marlin/species/web/o_pislon2.jpg)
Six Pisidia longicornis individuals.
Copyright: Dr Keith Hiscock
![](/assets/images/marlin/species/web/o_tpearman20110321.jpg)
A broad-clawed porcelain crab.
Copyright: Tabitha Pearman
![](/assets/images/marlin/species/web/o_tpearman20110329_2.jpg)
An algal covered broad-clawed crab
Copyright: Tabitha Pearman
![](/assets/images/marlin/species/web/o_porpla2.jpg)
Lone Porcellana platycheles individual in between boulders.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_porpla3.jpg)
Multiple Porcellana platycheles individuals on a rocky shore.
Copyright: Judith Oakley
![](/assets/images/marlin/species/web/o_risdes.jpg)
Rissoides desmaresti held in gloved hand.
Copyright: Dr Rohan Holt
![](/assets/images/marlin/species/web/o_risdes2.jpg)
Rissoides desmaresti on the sea bed.
Copyright: Dr Rohan Holt
![](/assets/images/marlin/species/web/o_cmcaskie20111007.jpg)
Talitrus saltator
Copyright: Christopher McAskie
![](/assets/images/marlin/species/web/o_thiscu.jpg)
Thia scutellata.
Copyright: Marco Faasse
![](/assets/images/marlin/species/web/o_xanpil.jpg)
Xantho pilipes collected from Lee Beach, Ilfracombe.
Copyright: Devon Wildlife Trust
![](/assets/images/marlin/species/web/o_xanpil2.jpg)
Xantho pilipes.
Copyright: Jack Sewell
![](/assets/images/marlin/species/web/o_xanpil4.jpg)
Front end of Xantho pilipes protruding from a crevice.
Copyright: Judith Oakley
Images: 226