| Noun | 1. | ganoid, ganoid fish - primitive fishes having thick bony scales with a shiny covering genus Lepisosteus, Lepisosteus - type genus of the Lepisosteidae: freshwater gars |
| 2. | billfish - giant warm-water game fish having a prolonged and rounded toothless upper jaw scombroid, scombroid fish - important marine food and game fishes found in all tropical and temperate seas; some are at least partially endothermic and can thrive in colder waters family Istiophoridae, Istiophoridae - sailfishes; spearfishes; marlins marlin - large long-jawed oceanic sport fishes; related to sailfishes and spearfishes; not completely cold-blooded i.e. able to warm their brains and eyes spearfish - any of several large vigorous pelagic fishes resembling sailfishes but with first dorsal fin much reduced; worldwide but rare | |
| 3. | billfish - slender long-beaked fish of temperate Atlantic waters | |
| 4. | Belonidae, family Belonidae - ferocious fishes of warm regions resembling but unrelated to the freshwater gars timucu - found in warm waters of western Atlantic |