|All seashore creatures
depend upon the seaweeds or the tiny plants washed in by the waves at first hand or second hand.
But sandy shores and rocky shores have different communities of animals inhabitating them.
Loose sand grains provide no foothold for the dwellers on a sandy or muddy shore. Here,
the common habitats are the mollusks, crustaceans and other dig down to find safety from
storm waves or drying up at low tide. At high tide, cockles, razor shells and tellins push
up tubes to suck in scraps of food brought in by water. Lugworms stay buried, sieving food
from muddy sand. Here too the masked crab lies concealed. It takes oxygen and live on
their form water drawn in through two feelers that interlock and poke up through sand to
form a breathing tube.
The pools and boulders of a rocky shore support a largely different set of creatures.
Shore crabs occur on sandy shores, but find more safety
in rock crevices. Limpets, acorn barnacles, mussels and sea anemones all anchor their
bodies to the rocks and there they survive the fury of the sea. Limpets graze upon the
algae growing on their rocks. The other three depend for food on what the tide brings
Even at low tide, deep rock pools hold water. They offer food and safety for small fishes,
prawns, hermit crabs and sometimes lobsters.