Wolf Fish (Hoplias malabaricus) Sizes:4.5-5 inches Use caution: With smaller fish

Use caution: With smaller fish (may be eaten) or overly aggressive species

it can be quite aggressive and should only be kept by aquarists interested in dealing with belligerent fish

The caudal fin is dark grey

Alligator gar are relatively passive

The dorsal fin spine has 10–12 serrations on the posterior edge

Wolf Fish (Hoplias malabaricus) Sizes:4.5-5 inches Use caution: With smaller fishHoplias malabaricus, also known as the wolf fish, tiger fish, guabine or trahira, is a predatory Central and South American freshwater ray finned fish of the characiform family Erythrinidae. It is a very easy fish to care for. Eats anything meaty!