Helfrich's Firefish Goby (Nemateleotris Helfrichi)

Common Name: Helfrich's Firefish
Scientific Name: Nemateleotris Helfrichi
Reef-Safe: Yes
Min. Tank Size: 10 gallons
Captive Care: Easy
Temperament: Peaceful
Max. Size:  6.3 cm (2.5")
Range: Islands of Micronesia and Polynesia, Ryukyu Islands, and Ogasawara Islands
Depth: 25 - 70m (82 - 230ft)
Diet: Omnivore
Remarks: Not rare in the wild but their collection range is restricted to the Marshall Islands, which at one point only produced a few fish for import. Recently their number has bumped up allowing prices to come down a bit. Similar demeanor to the other firefish and just as hardy if properly handled during transport. Dorsal part of the body can darken under intense lighting.