zoom_in Click to enlarge

Clypeaster subdepressus

▲ ▼

description Clypeaster subdepressus Overview

Clypeaster subdepressus is a species of sea biscuit, a type of irregular sea urchin belonging to the family Clypeasteridae. Like other sea biscuits, it is notable for its heavily flattened, disk-like shape and dense covering of short spines, an adaptation that differs significantly from the spherical morphology of regular sea urchins. This marine echinoid lives primarily on sandy sea floors where it burrows just beneath the surface to feed on organic detritus. Its robust structure is frequently studied by marine biologists.

help Clypeaster subdepressus FAQ

What type of marine animal is Clypeaster subdepressus?

Clypeaster subdepressus is a species of sea biscuit, which is an irregular type of sea urchin belonging to the family Clypeasteridae. Unlike round sea urchins, sea biscuits have a distinctively flattened, heavy calcareous test (shell).

How does the Clypeaster subdepressus sea biscuit feed?

Like other sea biscuits, Clypeaster subdepressus is a deposit feeder that burrows into sandy or muddy sea floors. It uses specialized tube feet and modified spines to sift through the sediment, consuming organic matter and microscopic algae.

What is the physical appearance of the Clypeaster subdepressus test?

The test of Clypeaster subdepressus is notably flattened and slightly depressed, often featuring a distinct petal-like pattern on its upper surface. These petals correspond to the animal's respiratory tube feet when it is alive.

Where are Clypeaster subdepressus sea urchins typically found?

This species is commonly found in shallow marine waters along the coasts of Brazil, particularly in the western Atlantic Ocean. They prefer to burrow just beneath the surface of sandy substrates where they can safely filter feed.

swap_horiz

Looking for Clypeaster subdepressus alternatives? Compare top competitors ranked & scored

arrow_forward