''Tactostoma macropus'', the longfin dragonfish, is a species of

barbeled dragonfish Stomiidae is a family of deep-sea ray-finned fish, including the barbeled dragonfishes. They are quite small, usually around 15 cm, up to 26 cm. These fish are apex predators and have enormous jaws filled with fang-like teeth. They are ...

found in the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

down to depths of . This species grows to a length of TL. This species is the only known species in the genus ''Tactostoma''.

References

* Stomiidae Taxa named by Rolf Ling Bolin Fish described in 1939 {{Stomiiformes-stub