Freshwater fish that look like saltwater fish

[muffywrx]

Oscar

... BAhahahahahhaha

 

[Reventon]

discus

 

[1_2manyrosies]

Green texas cichlid! and african ciclids

 

[derekp]

cardinal tetra

 

[Otolith]

Oscar:

Triple tail:

 

[Otolith]

Arowana:

Tarpon:

 

[Otolith]

Various male cichlids w/ enlarged forehead

Male Napoleon Wrasse:

 

[Lambrakopoulos]

And then you get the best of both worlds when you get brackish water fish like Datnoids, puffers, scats and etc...

 

[Kaosu]

Sculpin!!!...most of them are salt water but there are some that are not^_^ like mine.
Prickly sculpin.

 

[critter_bob]

Brook silversides have a very salty look to them!