Tripneustes gratilla

Gracious sea urchin.jpg

(Gracious Sea Urchin)

FAMILY

Toxopneustidae

Species

Tripneustes gratilla

Common name(s)

Gracious Sea Urchin

Collector Urchin

Main colour(s)

Spine colour varies fom white, orange, yellow, red, black to violet or green.

Size

Skeleton reaches 15 cm diameter

Campus

Orpheus Island Research Station

Description

Spines vary widely in colour and are small. Dark areas separate spines. Distributed throughout the Indo-Pacific this Sea Urchin feeds on algae and seagrass and is active both during the day and at night.

Sites where this species can be found at OIRS

Prefer open bottoms in depths of 2-30 metres.

Research that has been undertaken at OIRS