Benthic,
Coastal & inner reefs,
Coral,
Coral,
Lagoons & outer reefs,
Lives on host,
Reef flats,
Reef slopes,
Rocks,
Salt water,
Sessile,
Social,
Solitary_
aciculatus,
bore,
boring,
echinostrephus,
limestone,
needle-spined,
species,
spine,
urchin |