Tripneustes gratilla (Linnaeus, 1758)

Tripneustes gratilla
Tripneustes gratilla
Photographer: 
Ian Shaw
Date: 
Tuesday, 30 July 2013
Location: 
Nth Solitary Island
Depth: 
17m
Tripneustes gratilla
Tripneustes gratilla
Photographer: 
Ian Shaw
Date: 
Monday, 9 June 1997
Location: 
Nth Solitary Island
Depth: 
21m
Tripneustes gratilla
Tripneustes gratilla
Photographer: 
Ian Shaw
Date: 
Sunday, 10 December 2006
Location: 
Nth Solitary Island
Depth: 
14m
Tripneustes gratilla
Tripneustes gratilla
Photographer: 
Ian Shaw
Date: 
Saturday, 1 October 2005
Location: 
Nth Solitary Island
Depth: 
18m
Tripneustes gratilla
Tripneustes gratilla
Photographer: 
Ian Shaw
Date: 
Monday, 30 September 2013
Location: 
N W Solitary Is.
Depth: 
12m
Common name: Lamington Urchin
Distribution:

Common throughout the Solitary Islands Marine Park. Widespread distribution through the Indian Ocean from South Africa to Australia, western Pacific region to Hawaiian Islands.

Ecological Notes:

Frequents shallow reefs and lagoons to a depth of at least 25m. Feeds on algae and sea grasses. Often found with algae or shell fragments adhering to dorsal surface, possibly as camouflage.

Additional Notes:

May be variable colouration - white or reddish spines with black, purple, brown or green body spaces between the spines. See colour variations in photographs below. Grows to about 150mm dia.

References: