Common Name: Yellowhead Firefish / Helfrichs' Dartfish
Species Name: Nemateleotris helfrichi Randall & Allen, 1973
Range: Western Pacific Ocean: Somoa, and the Marshall Islands and northward to southern Japan
Size: Up to 2.5 inches (6 cm)
Natural Environment: Inhabit areas above small patches of sand at depths between 75 to 200 feet (25 - 60 m)
General Husbandry: Has a temperature range of 72 - 82°F (22 - 28°C). Natural diet consists mainly of zooplankton. Requires a meaty diet, i.e., enriched brine shrimp, mysis, finely chopped fish or shrimp flesh, with one or two feedings per day. Naturally faces into the current so as capture zooplankton, and highly disease resistant. A mid-level water column fish and a good jumper, therefore openings over the tank should be covered with something like eggcrate. Prefers a dimly lit environment. Rarely seen in the trade.
Aquarium Suitability: *
Anemonefishes - Angelfishes - Anthias - Assessors - Bannerfish - Basslets (Dottybacks and Grammas) - Batfishes - Blennies - Boxfishes - Brotulas - Butterflyfishes - Cardinalfishes - Catfishes - Cuttlefish - Damselfishes - Dartfishes - Dragonets - Drums - Eels - Filefishes - Flashlight fishes - Flatheads - Frogfishes - Goatfishes - Gobies - Groupers - Hamlets - Hawkfishes - Helmut Gurnards - Jacks - Jawfishes - Lion fishes - Livebearing Brotula - Lizardfishes - Mollies - Moorish Idol - Parrotfishes - Pinecone fishes - Pipefishes - Porcupine fishes - Pufferfishes - Rabbitfishes - Rays - Sand Perches - Scats - Scorpionfishes - Seabasses - Seahorses - Sea Moths - Sharks - Shrimpfishes - Snappers - Soldierfishes - Spinecheeks - Squirrelfishes - Surgeonfishes (Tangs) - Sweetlips - Tilefishes - Triggerfishes - Trumpetfishes - Wrasses
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* - Suited for the reef aquarium;
** - Better suited for the fish-only aquarium;
*** - Better left in nature;
**** - Needing an aquarium larger than 125 gallons; and,
***** - Needing their own private environment/special tankmates.