The common name dragonfish may refer to several unrelated groups of fish:
- Barbeled dragonfish, small bioluminescent deep-sea stomiiform fish of the family Stomiidae
- Arowana, large freshwater osteoglossiform fish of the family Osteoglossidae
- Lionfish, showy, venomochodeus marine scorpaeniform fish of the genera Pterois and Dendrochirus, family Scorpaenidae
- Several species of Seamoths, small gasterosteiform fish of the family Pegasidae
- Violet Goby, an eel-like brackish-water fish, also known as a Dragon Goby
- The Senegal bichir, Polypterus senegalus, of the Polypteridae family
As one of the most well known inhabitants of the deep sea, dragonfish became easily recognizable with its protruded jaw and giant, fang-like teeth.
It can be found as deep as 5.000 ft (1.500 m) and despite the dreaded look, is not much of a threat to humans.
With a size of mere 6 inches (15 cm), it can hardly harm larger animals, but nevertheless, fangtooth is a fierce hunter. It has to be in order to survive, as the environment it inhabits is harsh to say the least, with little or no food.
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