- Ground sharks (Carcharhiniformes)
- Carpet sharks (Orectolobiformes)
- Stingrays (Myliobatiformes)
- Skates (Rajiformes)
- Bichir (Polypteriformes)
- Lungfish (Dipnoi)
- Gar (Lepisosteiformes)
- Eel (Anguilliformes)
- Bony-tongued fishes (Osteoglossiformes)
- Carps (Cypriniformes)
- Tetra (Characiformes)
- South American knifefish (Gymnotiformes)
- Catfish (Siluriformes)
- Salmon (Salmonidae)
- Pikes (Esociformes)
- Cod fish (Gadiformes)
- Cardinalfish (Kurtiformes)
- Gobies (Gobiiformes)
- Pipefish (Syngnathiformes)
- Gouramies (Anabantiformes)
- Flatfish (Pleuronectiformes)
- Cichlides (Cichliformes)
- Rainbowfish (Atheriniformes)
- Killifish (Cyprinodontiformes)
- Blenny (Blenniiformes)
- Wrasse (Labriformes)
- Anglerfish (Lophiiformes)
- Pufferfish (Tetraodontiformes)
- Scorpionfish (Scorpaeniformes)
- Ray-finned fish (Perciformes)
- Dragonet (Callionymiformes)
- Weever (Trachiniformes)
Gar (Lepisosteiformes)
Only six species exist today, distributed in freshwater systems of North America.
Only six species exist today, distributed in freshwater systems of North America.
Alligator gar
Tropical gar
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