Home > Invertebrates > Sea Urchins > Acanthocidaris hastigera

Family Cidaridae

HAWAII

Acanthocidaris hastigera 

Ewa, Oahu, 500 feet

SPEAR URCHIN

Recorded from depths of 175 to 800 feet .  Faceted rhomboidal spines, finely striated, with basal collar an inch long, white basally, maroon distally.  Overall diameter of 7 inches, test diameter 1 inch.  Endemic to Hawaii.