One of these doesn't belong....

[Sounguru]

 

[Rbishop]

ummmm....#2...?

 

[dirtydawg10]

I think you're right RB...it's #2.

 

[noodles62]

Definitely #2. Isn't that Niko's guppy? :lipssealedsmilie:

 

[Virtuoso2K12]

cute turtle,but #2 it is.

 

[Notophthalmus]

Those are beautiful shots, especially the fish.

 

[cam191919]

idk what you guys are talkin bout, its the first one. guppy and tetra have 5 letters, turtle has 6. its simple equationing...

 

[Rbishop]

Turtle Guppy Tetra

 

[petluvr]

I may be mistaken but that looks more like a tortoise than a turtle to me. I would say #1 as it is the only that is not aquatic.

 

[prolude006]

Well the turtle would eat the other two so it doesn't belong!!