PORCUPINEFISH
DIODONTIDAE
Porcupinefish
Diodon hystrix
    Ecological Descriptors
Habitat Size (cm) Diet Behaviour Sex 
Dem (Co, R, Man) 90 Mol, Ech, Cru I F
 
 
General:
Although confused by some with Pufferfish (Tetrodontidae [="four teeth"]), Porcupinefish (Diodontidae [="two teeth"]),  differ in their beak-like teeth are fully fused, lacking a noticable groove and have obvious spines on the body. Both families have the ability to enlarge themselves as a predator deterrent.

Description
:
Spines on front of head shorter than those behind pectoral fins. Light grey brown dorsally shading to white ventrally. Upper body and dorsal, anal and tail fins with small black spots. body without large dark blotches.

Ecology
A reef-associated species occurring to depths between 2 and 50 m, but is usually found between 3 and 20 m. Adults are demersal and commonly seen in caves and holes in shallow reefs. Juveniles can be found in mangrove habitats and to about 20 cm are pelagic. Its diet consists of sea urchins, gastropods, and hermit crabs. Toxicity is unconfirmed. Has lived to 10 years in captivity.
Porcupinefish
Synonyms:
Spotfin Porcupinefish
Porcupinefish
70
81
239
POISONOUS