Palau
Great Barrier Reef, Australia
Lanai, Hawaii
Needle-Spined Urchin
Echinostrephus aciculatus
Needle-Spined Urchin
Also known as: Red Rock boring urchin
Category: Sea Urchins
Scientific Name: Echinostrephus aciculatus
Size: Up to 3 in. (8 cm)
Depth: 5-100 ft. (2-30 m)
Distribution: Hawaii, West Pacific, Indonesia, Great Barrier Reef
Echinodermata (Phylum)
└Echinozoa (Subphylum)
└Echinoidea (Class)
└Camarodonta (Order)
└Echinometridae (Family)
└Echinostrephus (Genus)
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© 2025 Florent Charpin