Abatus cordatus Verrill, 1876.
OTHER COMMON NAMES
Diameter can reach 2.3 in (6 cm). Coloration usually brownish yellow. Oval shaped with dense coat of fine spines that keep sediment clear of test during burrowing activity.
Limited distribution. Endemic to the Kerguelen Islands, Antarctica.
Inhabits shallow inlets and bays, living buried in fine sand usually protected from wave swell.
Little known, but lives within dense populations.
FEEDING ECOLOGY AND DIET
Little known but other species belonging to the genus Abatus are deposit feeders, usually gathering detritus with their tube feet.
Females brood their young in dorsal pouch. The strategy is to produce few eggs and small amounts of sperm at any one time. The advantage is a higher survival rate of offspring compared to the more usual strategy of broadcasting species.
Not listed by the IUCN.
SIGNIFICANCE TO HUMANS None known. ♦
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