Home > Invertebrates > Sea Urchins > Diadema savignyi

Created 3/13/2016

Family Diadematidae

HAWAII

Diadema savignyi



Five Caves, Makena, Maui, 40 feet
   

SAVIGNY'S LONG-SPINED URCHIN

Rare in shaded areas with good water circulation.  Black with neon blue lines, absent on the more common Diadema paucispinum.  Test attains 3 inches, spines 8 inches.  Thin venomous spines protected by thicker primary spines.  Hawaii & the Indo-Pacific.