Florent's Guide To The

Hawaii Reefs

Collector Urchin
Collector Urchin
Scientific Name: Tripneustes gratilla
Class: Echinoidea
Category: Sea Urchins
Also known as: Cake's Urchin
Size: 4 to 6 in. (10 to 15 cm)  
Depth: 5-100 ft. (2-30 m)
Distribution: Indo-Pacific, Hawaii, Red Sea

Echinoderms
Sea Urchins

Collector Urchin

Radiant Sea Urchin

Radiant Sea Urchin (Juvenile)

Rough-Spined Urchin

Shingle Sea Urchin

Pale Rock-Boring Urchin

Oblong Sea Urchin

Needle-Spined Urchin

Banded Urchin

Blue-Black Urchin

Red Slate Pencil Urchin

Pebble Collector Urchin



All Photographs
© 2020 Florent Charpin