There are two groups of troglomorphic fishes in the United States, the cavefishes of the family Amblyopsidae and the blindcats of the family Ictaluridae. The cavefishes are less than five inches in length and are found in the eastern United States.
Nature Nugget – Fish Cleaning Stations
Nature Nugget – Salmon Migration
Nature Nugget – The Fat Sleeper
There are several species of sleepers in the United States coastal areas, the most common one being the Fat Sleeper (Dormitator maculatus). Fat Sleepers are common in vegetated fresh, brackish, and occasionally marine habitats along the Atlantic and Gulf coasts from North Carolina to Brazil and including the Bahamas and West Indies.