Home > Invertebrates > Sea Urchins > Echinometra mathaei

Updated 9/25/2023

Family Echinometridae

INDO-PACIFIC / HAWAII

Echinometra mathaei

Keahole Point, Hawaii, 2 feet

 

Makai Pier, Oahu, Hawaii, 8 feet

Borings in basalt, Makapu'u, Oahu, Hawaii

 

Kaunolu Point tidepool, Lana'i, Hawaii

Haleiwa Trench, Oahu, 5 feet

 

Ft. Kamehameha, Oahu, 3 feet

Makapu'u tidepool, Oahu

 

 

Juvenile, Makapu'u tidepool, Oahu

 

Makapu'u, Oahu, 25 feet

Kaloko, Oahu

Kahuku, Oahu

 

 

Makapu'u, Oahu

 



Kaunolu tidepool, Lana'i


Kahe Point, Oahu, 15 feet

PALE ROCK-BORING URCHIN    'INA

Abundant in crevices and under stones at any depth.  Pink-brown to olive, light spots outside of Hawaii; never black.  Spines are strong and sharp.  Attains overall diameter of 3 inches.  Red Sea to Japan, Hawaii, and Easter Island.