Alien Species
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Giant-carp

The Giant Carp or Giant Canal Carp is a large fish-like organism that inhabits the canals of Mars. They swim via numerous pilot fish that are attached to their bodies. J'onn J'onzz was once able to solve a crime that involved thieves seemingly disappearing under water by observing the unique biology of this fish.

Appearances[]

  • Detective Comics #236 (v1)
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