|This article is about a/an kaijin in Kamen Rider Black.|
It assisted Shadow Moon in his plot to turn a town into a Ghost Town. Assisted by the Phantom Mutants, he was tasked to kidnap a fleeing scientist from Gorgom to Yubari to have him complete a giant combat robot that will be used to annihilate Kamen Rider Black.
He can energize the fins attached to his arms and throw them as exploding projectiles. He can bite as well and his teeth regenerate upon falling out.
- Main article: Phantom Mutants
- Phantom Mutants (亡霊怪人 Bōrei Kaijin) (2nd Movie) - Phantom monsters who assisted the Dogfish Mutant. The monsters revived are Flea, Goat, Rhinoceros, Eagle, Rock Turtle, Anemone, Wasp, Ammonite, Coelacanth and Mantis Mutant.
Appearances in other media
Kamen Rider Black: Taiketsu Shadow Moon
The Dogfish Mutant is the fourteenth mutant opponent fought by Kamen Rider Black in the video game Kamen Rider Black: Taiketsu Shadow Moon.