Finned is a group of aquatic creatures with fins, scales, and gills.
You might think of guppies, sharks, goldfish, eels, or marlins.
Knar'dnl - (added 26 February 2017) - A pudgy water scavenger often eaten by predators.
Kolofish - (added 3 December 2013) - A bony fish that produces lights from its eyes.
Latcher - (added 30 November 2014) - A parasitic creature that swims through the air and attaches itself to other animals.
Xich's Sting - (added SOON!) - An upright fish that grows up with a shell.