Fish Guide

Spiny Puffer   (Diodon holocanthus)
Family: Diodontidae (Porcupinefishes)
Natural Range: Circumtropical
Depth: 7 to 656 ft.   Size: 12 in.   Jumps: No   Space: 75+ gal.
Reef Safe: No   Care Level: Moderate   Temperament: Peaceful
Diet: Molluscs, sea urchins, hermit crabs, crustaceans
Natural History: The Spiny Puffer is found individually or in small groups on shallow reefs in open and rocky areas. They are often captured near the water surface with a net. While young often hide among rafts of Sargassum, adults may be found in the open. They are not good swimmers but protect themselves with their ability to inflate by swallowing air or water and expanding their stomach. They normally feed at night.
Husbandry: The Spiny Puffer may eat small fish and ornamental crabs/shrimp in an aquarium. This species is not highly concentrated with tetrodotoxin, which some of its relatives have, so it does not pose a high toxin risk to its tankmates.


AKA: Balloonfish

In Stock: 08/09/14, No
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