Florent's Guide To The

Tropical Pacific Reefs

Needle-spined Urchin
Needle-spined Urchin
Scientific Name: Echinostrephus aciculatus
Class: Echinoidea
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: Indo-Pacific, Hawaii

Invertebrates
Echinoderms
Sea Urchins

Needle-spined Urchin

Longspine Heart Urchin

Shingle Sea Urchin

Savignyi's Longspine Urchin

Black Longspine Urchin

Red Slate Pencil Urchin

Rough-Spined Urchin

Banded Urchin

Variable Fire Urchin

Radiant Sea Urchin

Radiant Sea Urchin (Juvenile)

Blue-Black Urchin

Collector Urchin

Flower Urchin

Bell's Sea Urchin (Juvenile)

Pebble Collector Urchin

Pale Rock-Boring Urchin

Oblong Sea Urchin

Brittle Stars
Feather Stars
Sea Stars
Sea Cucumbers


All Photographs
© 2020 Florent Charpin