| Heterocentrotus
mammillatus
SLATE PENCIL URCHIN
|
Colobocentrotus atratus
SHINGLE
or HELMET URCHIN
|
| Echinometra mathaei
PALE ROCK-BORING URCHIN
|
Echinometra oblonga
BLACK ROCK-BORING URCHIN
|
| Echinostrephus aciculatus
NEEDLE-SPINED URCHIN
|
Diadema
sp. 1
UNIDENTIFIED
LONG-SPINED URCHIN
|
| Diadema paucispinum
LONG-SPINED URCHIN
|
Echinothrix diadema
BLUE-BLACK
URCHIN
|
| Echinothrix calamaris
BANDED URCHIN,
banded morph
|
Echinothrix calamaris
BANDED URCHIN,
black morph
|
| Leptodiadema purpureum
FINE-SPINED URCHIN
|
Astropyga radiata
BLUE-SPOTTED URCHIN
|
| Tripneustes gratilla
COLLECTOR URCHIN
|
Pseudoboletia indiana
PEBBLE-COLLECTOR URCHIN
|
| Cyrtechinus
verruculatus
WARTY SAND URCHIN
|
Eucidaris metularia
TEN-LINED URCHIN
|
Actinocidaris thomasi
THOMAS' URCHIN
|
Chondrocidaris gigantea
ROUGH-SPINED URCHIN
|
|
Acanthocidaris
hastigera
SPEAR
URCHIN
|
Prionocidaris
hawaiiensis
HAWAIIAN THORNY URCHIN
|
| Brissus
latecarinatus
HEART
URCHIN
|
Echinocyamus
spp.
MINIATURE HEART
URCHIN
|
| Clypeaster
reticulatus
RETICULATED SEA
BISCUIT
|
Clypeaster
sp.

GIANT SEA
BISCUIT
|
|
|
|