Habitat Details

Details of Rockpools will be displayed below

Rockpools

Rockpools are particularly challenging and harsh environments. They are a unique habitat, but only at low tide, when they are filled with salty sea water. They are found at all levels of the rocky shore in the areas between the high and low tide marks. Plants and animals that live here must be able to cope with constantly changing conditions as water temperature, salinity and oxygen level fluctuate. Coping with all this, and with crashing waves, in addition to avoiding predators is no easy task. Yet rockpools can be very biodiverse, teeming with molluscs, shrimps and crabs, fish and anemones.

Rockpools description

Rockpools are particularly challenging and harsh environments. They are a unique habitat, but only at low tide, when they are filled with salty sea water. They are found at all levels of the rocky shore in the areas between the high and low tide marks. Plants and animals that live here must be able to cope with constantly changing conditions as water temperature, salinity and oxygen level fluctuate. Coping with all this, and with crashing waves, in addition to avoiding predators is no easy task. Yet rockpools can be very biodiverse, teeming with molluscs, shrimps and crabs, fish and anemones.

Why Rockpools matters

In addition to a great protection to coral islands we n Maldives, rock pools provide shelter from waves, allowing fragile organisms to live on an otherwise exposed rocky shore. Fragile animals are: sea slugs, shrimps, camouflage crabs, sea eggs, small fishes. Fragile sea weeds are: neptune's necklace, pillow weed, cystophora, sea lettuce and many others.

For the snails that are able to survive in between high and low tide (periwinkle, nerita, melagraphia, cats eye) a rock pool is not necessarily a better place because their predators are found there (dark rock shell, white rock shell, trumpet shell). Large fish and octopus may find the rock pools too small, lacking oxygen for breathing. Rock pools may collect fresh water during rain storms, which is worse for shallow rock pools high up the shore where organisms must wait longer for the tide to return.

Threats to Rockpools

• Dredging for industrial and tourism development 

• In many parts of the Maldives, animals are collected for use as food or as bait for fishing. It is always important to be aware of regulations that apply to collection and to ensure that is allowed that only what is really needed is removed. 

Species found in Rockpools