Though pretty, the fire urchin has venomous spines! Nonetheless, some species of shrimp, crabs, and juvenile fish live within its spines as commensalists (when one organism benefits from the other without affecting it).
~Adlysia
Though pretty, the fire urchin has venomous spines! Nonetheless, some species of shrimp, crabs, and juvenile fish live within its spines as commensalists (when one organism benefits from the other without affecting it).
~Adlysia
adlysia 