i like the fish there cuz he's more a part of the design and clearly looking at the seahourse... though i'd consider a softer color because the bright blue draws your attention away from the horse too much... and what about a dorsal/lower fin?
he's an adorable fish though, i want him as a pet. his expression is priceless
And the sketchyness is nice, but you might be asked/expected to refine it for the sake of printing ability and/or of satisfying a majority of threadless...
The fish's colour aint impressing me, but I am not sure which to use.
The 2-pointed fins are scuba fins (don't let a scuba person hear you call them "flippers" they'd get angry) The air is connected to the tank, the other thing is part of the occy (or is is spelt Ocky?). Both come from the tank @ the same point.
I think may benefit from critique.
Any comments?