Mottled Sculpin, Cottus bairdi


Sculpins form a diverse group of unusual-looking fishes; most are marine but several species inhabit freshwater.

Unique features of sculpins include small spines along the outer margin of the gill covers, extremely large pectoral fins, and eyes located on the upper side of the head.

The mottled sculpin has a widespread, but discontinuous, distribution throughout eastern and western North America.

Colorado populations of mottled sculpin are native to the Colorado River drainage, preferring cool, clear, and swift mountain streams and rivers.

Inter-basin water transfer have resulted in this fish moving beyond it's native range.

It is a bottom-dwelling species, often found under or between rocks.

Maximum Length: 6-7" (15-18 cm).


Source:

Colorado Division of Wildlife. Native Fish of Colorado. Poster. 1994.


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