Definition of "tigerfish"

Any of a number of species of fish with stripes on their bodies, otherwise fearsome appearance, or aggressive predatory behavior, including, among others:

1. (Africa) Any fish in the genus Hydrocynus of characins.  examples

2. (East Africa) A cichlid of species Rhamphochromis longiceps, native to the Lake Malawi basin.  examples

3. (Asia) The jarbua terapon and related species in the family Terapontidae.  examples

4. Any fish in the percoid genus Datnioides.  examples

5. Any barracuda.  examples

6. (Guyana) Any of the family Pimelodidae of catfishes.  examples

7. Any of the species Hoplias malabaricus and related characins in the family Erythrinidae.  examples

8. Any of the genus Pterois of east Asian lionfishes.  examples

A sea cucumber of the Indian Ocean (Bohadschia atra).  examples