Phylum Echinodermata

Class Ophiuroidea

Brittle Stars

 

HAWAII

Ophiocoma erinaceus

Punalu'u, Oahu, 4 feet

 

Makapu'u tidepool, Oahu

Makapu'u tidepool, Oahu

 SPINY BRITTLE STAR

Abundant under rocks in shallow water.  Hawaii & the Indo-Pacific.

Ophiocoma pica

Kewalo Pipe, Oahu, 50 feet

PIED BRITTLE STAR

Inhabits branching coral.  Hawaii & the Indo-Pacific.

Ophiocoma brevipes

Punalu'u, Oahu, 3 feet

MOTTLED BRITTLE STAR

Occasional under rocks in shallow water.  Hawaii & the Indo-Pacific.

Various species

Makapu'u tidepool, Waimanalo, Oahu

 

Moku O Loe, Kaneohe Bay, Oahu, 2 feet

Moku O Loe, Kaneohe Bay, Oahu, 2 feet

 

Moku O Loe, Kaneohe Bay, Oahu, 2 feet

Moku O Loe, Kaneohe Bay, Oahu, 2 feet

 

100 foot Hole, Waikiki, Oahu, 85 feet

100 foot Hole, Waikiki, Oahu, 85 feet

 

 

Many brittle stars require careful examination under a microscope to verify identity.  Common under stones, in crevices, and within sponges.


EASTERN PACIFIC

Ophiopteris papillosa   

Rock Quarry, Catalina Island, California, 30 feet

 

Rock Quarry, Catalina Island, California, 30 feet

Rock Quarry, Catalina Island, California, 30 feet

BROWN BRITTLE STAR

Common under rocks and in kelp holdfasts.  British Columbia south to Baja California.

Ophiothrix spiculata   

Rock Quarry, Catalina Island, California, 30 feet

Rock Quarry, Catalina Island, California, 30 feet

SPINY BRITTLE STAR

Abundant in holdfasts of Giant Kelp and soft sediments.  Central California to the Galapagos.

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