Helfrichs' dartfish (Nemateleotris helfrichi)

Scientific name: Nemateleotris helfrichi Randall & Allen, 1973

The Helfrichs' dartfish (Nemateleotris helfrichi) is a marine fish of the family Ptereleotridae. Native range: Pacific Ocean, eastwards to the Tuamoto Islands, north to the Ryukyu Islands.

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 29-31; Anal spines: 1; Anal soft rays: 26 - 28

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Nemateleotris helfrichi
Family: Ptereleotridae (Dartfishes)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 6.0
Depth range: 25–90 m (82–295 ft)
Environment: Marine; reef-associated; depth range 25 - 90 m, usually 40 - ? m
Climate: Tropical
Distribution: Pacific Ocean: eastwards to the Tuamoto Islands, north to the Ryukyu Islands.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Aquarium: commercial