The Adontosternarchus nebulosus lives in the demersal, freshwater, depth range 2 - 30 m environment.
Adontosternarchus nebulosus differs trenchantly from its congeners in its boldly contrasting color pattern of irregular, dark blotches on the back and sides followed posteriorly by a long pallid area extending far onto the caudal peduncle; relatively few anal-fin rays (112-154, mean 133. More