The living creatures that are in their natural habitats on the seashores crabs , hermit crabs , limpets , snails , periwinkles , mussels , sea stars , chitons , sea urchins and sea slugs.
Crabs - crabs are crustaceans that have 5 (five) pairs of legs , the first of which is
modified into claws. They are known as decapods and belong to the infra
order Brachyura , which literally means short tail. Hermit crabs are called
hermit crabs because they protect their abdomens by sheltering itself into
empty seashells. The abdomen of a hermit crab is soft.
Limpets - limpets have flat shells which are shapes of cones. The main
characteristics of snails is their proverbial sloth and their shells , which
which form a coil behind their backs.
Perwinkle - Perwinkle is a type of snail .
Mussels - The external shells of mussels are divided into halves ; hence they are
called bivalve molluscs .
Sea stars - sea stars are different from starfish. Starfish has 5 (five) distinct arms.
A sea star does not have a movable skeleton , but it has a hydraulic
water vascular system instead.
Chitons - chitons are molluscs with calcareous plates on their shells and
muscular feet which enable them to cling on rocks.
Sea Urchins - sea urchins are creatures that have spines.
Sea slugs - sea slugs are snails that have soft bodies. The adult sea slugs does not
have shells on their bodies.
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