‹ Fish Finder· #139

Spot-fin Porcupinefish

Diodon hystrix

Spot-fin Porcupinefish — photo 1 of 4
Photo 1 of 4 · Diego Delso · CC BY-SA 4.0 · via Wikimedia Commons
uncommonblackyellowbrownspottedpoisonousnocturnalsolitarylargereef
Habitat
Reef
Max size
91 cm
Depth
3-20 m
Family
Diodontidae

The spot-fin porcupinefish, also known as the spotted porcupinefish, black-spotted porcupinefish or simply porcupinefish, is a member of the family Diodontidae.

Adapted from Wikipedia, licensed under CC BY-SA 4.0.

Easily confused with

Side by side, with what tells them apart.

Spot-fin Porcupinefish
This oneSpot-fin Porcupinefish
Black-blotched Porcupinefish
Look-alikeBlack-blotched Porcupinefish

Both are big porcupinefish whose spines lie flat until they inflate. Spot-fin Porcupinefish is covered in small black spots, fins included. Black-blotched Porcupinefish has a few large dark blotches, each ringed with a thin white line, and plain fins with no spots at all.

See the Black-blotched Porcupinefish →

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