Fish
a limbless cold-blooded vertebrate animal with gills and fins and living wholly in water.

Colorado Cutthroat

Blue Gill

Yellowstone Cutthroat

Blue Gill (color)

Brook Trout
a limbless cold-blooded vertebrate animal with gills and fins and living wholly in water.
Colorado Cutthroat
Blue Gill
Yellowstone Cutthroat
Blue Gill (color)
Brook Trout