Click on the first letter of the common name.

British Invertebrates - marine

 		Species 1 - 16 of 16
Thumbnail for Ophiothrix fragilis (Common brittlestar)
Common brittlestar (Ophiothrix fragilis)
Like all brittlestars, the common brittlestar has five long, slender arms, which radiate out from a central disc. The mouth is... More 7 Images 1 Video
Thumbnail for Cerastoderma edule (Common cockle)
Common cockle (Cerastoderma edule)
This well-known edible cockle has a solid shell, consisting of two valves, which feature prominent ribs and concentric growth-lines... More 7 Images 2 Videos
Thumbnail for Sepia officinalis (Common cuttlefish)
Common cuttlefish (Sepia officinalis)
The cephalopods (meaning 'head-footed'), a group of molluscs containing the octopuses, squid and cuttlefish, are probably the most... More 12 Images 8 Videos
Thumbnail for Pagurus bernhardus (Common hermit crab)
Common hermit crab (Pagurus bernhardus)
Despite the common name, hermit crabs are related more closely to lobsters than to crabs. They lack a hard carapace, and adopt the... More 7 Images 4 Videos
Thumbnail for Aurelia aurita (Common jellyfish)
Common jellyfish (Aurelia aurita)
This is the most common jellyfish on British shores. The body is a saucer shaped 'bell', which is colourless except for 4 obvious... More 8 Images 9 Videos
Thumbnail for Patella vulgata (Common limpet)
Common limpet (Patella vulgata)
The common limpet is a well-known seashore species. It has a conical shell, the outer surface of which is greyish-white. Shells... More 6 Images 3 Videos
Thumbnail for Homarus gammarus (Common lobster)
Common lobster (Homarus gammarus)
The common lobster is a very large and commercially important species. The upper surface is dark blue in colour with yellowish... More 6 Images 5 Videos
Thumbnail for Mytilus edulis (Common mussel)
Common mussel (Mytilus edulis)
The common mussel has a roughly triangular shell, which is bluish, purplish or brown in colour and covered with a black outer layer... More 10 Images 5 Videos
Thumbnail for Octopus vulgaris (Common octopus)
Common octopus (Octopus vulgaris)
The cephalopods (meaning ‘head-footed) are a group of molluscs that contain the octopuses, squid and cuttlefish, and are probably... More 9 Images 3 Videos
Thumbnail for Palaemon serratus (Common prawn)
Common prawn (Palaemon serratus)
The common prawn is a well-known swimming crustacean, which is pinkish-brown in colour and features reddish spots and lines. The... More 9 Images 3 Videos
Thumbnail for Carcinus maenas (Common shore crab)
Common shore crab (Carcinus maenas)
The shore crab is one of the commonest crabs on the shore, and anyone who has gone rock-pooling is likely to have encountered one... More 11 Images 5 Videos
Thumbnail for Crangon crangon (Common shrimp)
Common shrimp (Crangon crangon)
The common shrimp, also known as the brown shrimp, is cryptically coloured; it is brown and covered with tiny flecks. Although most... More 5 Images 3 Videos
Thumbnail for Asterias rubens (Common starfish)
Common starfish (Asterias rubens)
The common starfish has 5 arms (although individuals may occasionally have just 4 or as many as 6). The colour varies from red to... More 10 Images 5 Videos
Thumbnail for Buccinum undatum (Common whelk)
Common whelk (Buccinum undatum)
This large, common whelk has a stout, yellowish-brown shell with lighter and darker spiral areas. It has 7-8 whorls, and a large... More 8 Images 3 Videos
Thumbnail for Chrysaora hysoscella (Compass jellyfish)
Compass jellyfish (Chrysaora hysoscella)
The compass jellyfish has a saucer-shaped bell, with 32 semi-circular lobes around the fringe, each one with a brown spot. On the... More 5 Images 0 Videos
Thumbnail for Eledone cirrhosa (Curled octopus)
Curled octopus (Eledone cirrhosa)
The cephalopods (meaning 'head-footed'), a group of molluscs that contain the octopuses, squid and cuttlefish, are probably the... More 10 Images 2 Videos
Species 1 - 16 of 16