Florent's Guide To The

Tropical Reefs

Shingle Sea Urchin
Shingle Sea Urchin
Scientific Name: Colobocentrotus atratus
Class: Echinoidea
Family: Echinometridae
Category: Sea Urchins
Also known as: Helmet Sea Urchin
Size: Up to 3 in. (7 cm)  
Depth: 0-6 ft. (0-2 m)
Distribution: Indo-Pacific, Hawaii

Echinoderms
Sea Urchins

Shingle Sea Urchin

Rock-Boring Urchin

Pale Rock-Boring Urchin

Oblong Sea Urchin

Reef Urchin

Needle-Spined Urchin

Red Slate Pencil Urchin

Variable Fire Urchin

Longspine Heart Urchin

Bell's Sea Urchin (Juvenile)

Variegated Urchin

Jewel Urchin

Pebble Collector Urchin

Flower Urchin

Rose Flower Urchin

White Sea Urchin

Collector Urchin

West Indian Sea Egg

Red Heart Urchin

Rough-Spined Urchin

East Pacific Slate Pencil Urchin

Slate Pencil Urchin

Radiant Sea Urchin

Radiant Sea Urchin (Juvenile)

Long-Spined Urchin

Savignyi's Longspine Urchin

Black Longspine Urchin

Banded Urchin

Blue-Black Urchin



All Photographs
© 2024 Florent Charpin