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Barbeled dragonfish, a small bioluminescent deep-sea fish of the family Stomiidae; Several species of fish of the family Pegasidae; Violet goby, an eel-like brackish-water fish; Polypterus senegalus, a fish of the family Polypteridae; Asian arowana, a bonytongue fish of the family Osteoglossidae
In addition, deep-sea dragon fishes evolved retinas with far-red emitting photophores and rhodopsins. [13] These far-red emitting properties produce long-wave bioluminescence greater than 650 nm. This unique evolutionary trait was first seen around 15.4 Ma and had a single evolutionary origin within the stomiidae family. [13]
Idiacanthus atlanticus, the black dragonfish, is a barbeled dragonfish of the family Stomiidae, found circumglobally in southern subtropical and temperate oceans between latitudes 25°S and 60°S, at depths down to 2,000 metres (6,600 ft).
Adults feed on other fish, while juveniles feed on insects. [9] These popular aquarium fish have special cultural significance in areas influenced by Chinese culture. The name 'dragonfish' stems from their resemblance to the Chinese dragon. This popularity has had both positive and negative effects on their status as endangered species.
Its commercial trade name is "dragon goby" or "dragon fish". Information offered in pet stores is often misleading; this species has specialized requirements and will die in a standard aquarium. Violet gobies require brackish water at least one-quarter the strength of seawater.
Stomiiformes / ˈ s t ɒ m i. ɪ f ɔːr m iː z / is an order of deep-sea ray-finned fishes of very diverse morphology.It includes, for example, dragonfishes, lightfishes (Gonostomatidae and Phosichthyidae), loosejaws, marine hatchetfishes and viperfishes.
The name of the family is derived from the generic name Bathydraco which is a combination of bathy meaning "deep" and draco meaning dragon, the type of B. antarctica was collected at 2,304 m (7,559 ft) and draco is a commonly used suffix for Notothenioids.
Eustomias schmidti, more commonly known as the scaleless dragonfish, is one of the many species included in the family of Stomiidae.Despite its small size, the scaleless dragonfish is a dangerous predator in the deep oceanic waters that uses its self-generated light to attract its prey.