The sand sifting star feeds in an unusual way: it evert its stomach through its mouth and drapes it over its diet. Digestion then begins outside its body before it retracts its stomach again.
NE
Red List
Not Evaluated
Taxonomy
Archasteridae, genus Archaster (3 species)
Habitat
shallow coastal areas in the Indo-Pacific
Behaviour and ecology
buries itself in the sand at high tide and crawls over it at low tide; crepuscular/nocturnal
Body length
up to 15 cm; males are usually smaller than females
Taxonomy
Archasteridae, genus Archaster (3 species)
Habitat
shallow coastal areas in the Indo-Pacific
Behaviour and ecology
buries itself in the sand at high tide and crawls over it at low tide; crepuscular/nocturnal
Body length
up to 15 cm; males are usually smaller than females