Florent's Guide To The

Hawaii Reefs

Needle-Spined Urchin
Needle-Spined Urchin
Scientific Name: Echinostrephus aciculatus
Class: Echinoidea
Family: Echinometridae
Category: Sea Urchins
Also known as: Red Rock boring urchin
Size: Up to 3 in. (8 cm)  
Depth: 5-100 ft. (2-30 m)
Distribution: Hawaii, West Pacific, Indonesia, Great Barrier Reef

Echinoderms
Sea Urchins

Needle-Spined Urchin

Red Slate Pencil Urchin

Pebble Collector Urchin

Collector Urchin

Rough-Spined Urchin

Radiant Sea Urchin

Radiant Sea Urchin (Juvenile)

Banded Urchin

Blue-Black Urchin

Shingle Sea Urchin

Pale Rock-Boring Urchin

Oblong Sea Urchin



All Photographs
© 2023 Florent Charpin