User blog comment:Junaid-Sennin/Build-A-Fish....man! Fishman. Build a fishman. You know, like Build-A-Bear... *sigh*/@comment-82.72.117.15-20110418231530

Axolotl is an amphibian and a sea snake a reptile.

Fishmen only seem to be fish and cephalopods. (I'm guessing no other molluscs, and I don't think there have been any crustaceans, echinoderms (unless Pappug is a type of fishman) or anything like that.

Although I'm guessing things like Lamprey and Hagfish would be considered viable, even if they aren't true fish per se.

Anyway there's lots of viable fish species. Snakehead, Lungfish, Piranha, Barracuda, Blobfish, Stonefish, Stickleback, Eagleray etc. Not all would make natural awesome warriors (though some would), but still, they would probably look interesting!

Colossal Squid would be a monster though. They'd make Ikaros look like a pipsqueak for one, but Colossal Squid are also much nastier then Giant Squid, they have hooks on their suckers!

If other molluscs then Cephalopods go, I'd wonder what a nudibranch mermaid would look like. It could be done interestingly.