Identification: Rainbow trout have the typical trout-shape with an adipose fin, and a squarish tail that has black spots throughout. The rainbow trout has 10-12 anal rays and a white mouth and gums (coho and Chinook salmon, occasionally found in Lake Erie, have gray or black gums, more anal rays, and forked tails). Lake Erie steelhead are generally bright silver with a bright pink band.
Adult size: Trout average 20 to 23 inches long. The state record rainbow weighed 20.97 pounds and measured 36.5 inches.
Source: Ohio Division of Wildlife