Marine Fauna Phyla


Shore Crab


Includes both marine and terrestrial species and is characterised by the division of the body into externally visible segments which distinguishes them from other worm like creatures.

Family Index


Tubeworm Spirorbis spirorbis



Shore Crab


This is a highly diverse phylum and its marine representatives include shrimps, crabs, lobsters , barnacles and sea-spiders.

Family Index




Common Shore Crab Carcinus maenas




Small colonial, mainly sessile animals which occur in a variety of shapes and sizes various substrates such as seaweed or rocks in both the intertidal and sublittoral zones.

Family Index





Hairy Sea-mat Electra pilosa



Sea Squirt

This sophisticated phylum includes the tunicates and fishes, amphibians, reptiles, birds and mammals.

Family Index



Sea Squirt Ascidiella scabra



Beadlet anemone


Formerly known as Coelenterata, this phylum includes the sea-anemones, jellyfishes, corals and the hydroids or sea-firs. They can be highly polymorphic showing both a sedentary form (polyp) and a mobile form (medusa) in a single species.

Family Index



Beadlet Anemone Actinia equina



Dog Whelk


Another highly diverse group which includes the chitons, winkles, whelks, limpets, sea-slugs, mussels, oysters cockles, squid, cuttlefishes and octopuses. The shell may either be external or internal and concealed as in the case of the sea-slugs and cuttlefishes.

Family Index



Dog Whelk Nucella lapillus



Puse Sponge

Variable in colour and form, the sponges were not classified as animals until 1825. They are sessile but produce mobile larvae (planulae). They are classified according to the nature of their spicules - composed of either calcium carbonate or silica and spongin fibres.

Family Index



Purse Sponge Grantia compressa