what's the most unusual looking fish...

[Swimfins]

frogfish that live on coral reefs

 

[AquaGhost]

How is this "Godzilla looking" fish:

http://forums.waterwolves.com/index.php?showtopic=86061

probably hard to find though...

 

[FooF]

How is this "Godzilla looking" fish:

http://forums.waterwolves.com/index.php?showtopic=86061

probably hard to find though...

wow, thats cool lookin.

 

[Gambusia]

Goosefish.

Lanternfish.

John Dory

Pancakefish

Oh wait you mean freshwater.....

Four-eye fish maybe?

 

[WinterWind]

Puffers...marine AND freshwater.

Kuhli loaches are odd-looking as well, but quite common.