Animal Species:Biscuit Sea Star

This distinctive bright orange-red sea star is called the Biscuit Sea Star because it is about the size of a large biscuit.

Biscuit Sea Star Tosia australis

Jiri Lochman/Lochman Transparencies © Jiri Lochman/Lochman Transparencies

Standard Common Name

Biscuit Sea Star

Identification

The upper surface of the Biscuit Sea Star is covered with many interlocking small plates and six to eight larger plates along the edge of each of their short arms. It is a distinctive bright orange-red.

Size range

5 cm

Distribution

The Biscuit Sea Star is found in Sydney, Victoria, South Australia, Western Australia, and Tasmania.

Habitat

The Biscuit Sea Star lives on intertidal rocky shores and in coastal waters to a depth of 40 m.

Feeding and Diet

Biscuit Sea Stars feed on sea squirts, sponges, bryzoans and algae.

Classification

Species:
australis
Genus:
Tosia
Family:
Goniasteridae
Order:
Valvatida
Class:
Asteroidea
Phylum:
Echinodermata
Kingdom:
Animalia

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Tags sea stars, starfish, invertebrates, identification, wildlife of sydney, echinoderms, marine,