Spot-fin Porcupinefish and Similar Species
Diodon hystrix
Got a photo? Identify fish instantly with the Fishby app.
Open the appSeveral fish can be confused with Spot-fin Porcupinefish. Here are the key differences.
Species often confused with {name}
Long-spine Porcupinefish
Diodon holocanthus
Key differences: Diodon holocanthus typically has fewer, larger spots, and often possesses a distinct dark bar between the eyes and a large dark blotch on its side below the dorsal fin. Its spines are generally shorter than those of D. hystrix, and the spots are less prevalent on the fins.
Black-blotched Porcupinefish
Diodon liturosus
Key differences: Diodon liturosus is characterized by large, dark blotches on its back and sides, often outlined in yellow, and lacks the extensive small spotting of D. hystrix. Its spines are also generally shorter.
Explore Spot-fin Porcupinefish
Identify fish anywhere
Free on iOS, Android, and Web. Photo identification, full species details, and more.