Animal Species:Pink Sea Urchin

This small delicate-looking urchin lives among kelp and often wraps itself in the fronds for protection.

A group of Pink Sea Urchins

Dr Isobel Bennett © Australian Museum

Standard Common Name

Pink Sea Urchin

Identification

The Pink Sea Urchin's tube feet are transparent and the test (body) and spines are pink-brown.

Size range

16 cm

Distribution

Pink Sea Urchins are found in New South Wales, Victoria, South Australia, Western Australia and Tasmania.

Habitat

Pink Sea Urchins live on intertidal rocky shores and in coastal waters to a depth of 75 m.

Feeding and Diet

The Pink Sea Urchin is a scavenger and feeds on a variety of plants and dead animals.

Other behaviours and adaptations

Commonly found washed up onto beaches or in the bottom of rock pools after storms, parts of the Pink Sea Urchin's test ('skeleton') can sometimes be mistaken for shell fragments.

Classification

Species:
pycnotilus
Genus:
Holopneustes
Class:
Echinoidea
Phylum:
Echinodermata
Kingdom:
Animalia

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Tags sea urchins, echinoderms, invertebrates, wildlife of sydney, identification, marine,