Guardian Nature School Team Contact Blog Project Noah Facebook Project Noah Twitter

A global community of nature enthusiasts
photographing and learning about wildlife

Join Project Noah!
nature school apple icon

Project Noah Nature School visit nature school


Diodon hystrix


Long spines which can be erected all over the body. Upper body gray, lower body white. Large eyes, high on the head.


During the day mostly hides in caves or holes in the reef. Can be found between 9 and 36 metres depth, mostly solitary. Feeds at night on sea urchins & crabs. In Eastern Pacific from southern California to Chile.


Shy but curious, if harassed may bite divers. When threatened will inflate by drawing in water, turning into a big ball of spines

Species ID Suggestions

Sign in to suggest organism ID

No Comments

Spotted by

Puntarenas, Costa Rica

Spotted on Feb 26, 2011
Submitted on Jan 14, 2012

Related Spottings

Balloonfish Fine-Spotted Porcupinefish Pez Globo Black-blotched porcupinefish

Nearby Spottings

Guineafowl puffer Zebra moray Stripebelly puffer Octopus
Noah Guardians
Noah Sponsors

Join the Project Noah Team Join Project Noah Team