Helfrich's Dartfish, Nemateleotris helfrichi Randall & Allen 1973


A pair of Helfrichs' Dartfish, Nemateleotris helfrichi, on a steep seaward reef at Kwajalein Atoll, Marshall Islands, March 2003. Source: Jeanette Johnson / FishBase. License: CC by Attribution-NonCommercial

Summary:
A dartfish with a bright yellow head and a  purple forehead with purple and white shading on the body. 

Cite this page as:
Bray, D.J. 2023, Nemateleotris helfrichi in Fishes of Australia, accessed 19 Mar 2024, https://fishesofaustralia.net.au/Home/species/5282

Helfrich's Dartfish, Nemateleotris helfrichi Randall & Allen 1973

More Info


Distribution

Reefs in the Coral Sea. Elsewhere the species occurs in the tropical, west-central Pacific. Often seen in pairs on steep reef slopes over rubble and sandy areas in depths of 25-100 m.

Features

Dorsal fin VII, 28-31;  Anal fin I, 26-28.

Feeding

Feeds on zooplankton in the water column.

Etymology

The species is named in honour of Philip Helfrich, who was among the first to collect this species.

Species Citation

Nemateleotris helfrichi Randall & Allen 1973, Quarterly Journal of the Taiwan Museum 26(3, 4): 355, figs 3C-5. Type locality: reef off Papeete Harbor, Tahiti, Society Islands.

Author

Bray, D.J. 2023

Resources

Atlas of Living Australia

Helfrich's Dartfish, Nemateleotris helfrichi Randall & Allen 1973

References


Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp.

Greenfield, D. & Munroe, T.A. 2016. Nemateleotris helfrichi. The IUCN Red List of Threatened Species 2016: e.T69128541A69130393. https://dx.doi.org/10.2305/IUCN.UK.2016-3.RLTS.T69128541A69130393.en. Accessed on 09 October 2023.

Larson, H.K. & Murdy, E.O. 2001. Microdesmidae. pp. 3607-3608 in Carpenter, K.E. & Niem, T.H. (eds) The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 6 pp. 3381-4218.

Randall, J.E. 2005. Reef and shore fishes of the South Pacific. New Caledonia to Tahiti and the Pitcairn Islands. Honolulu : University of Hawaii Press 707 pp.

Randall, J.E. & Allen, G.R. 1973. A revision of the gobiid fish genus Nemateleotris, with descriptions of two new species. Quarterly Journal of the Taiwan Museum 26(3, 4): 347-367.

Tea, Y.-K. & Larson, H.K. 2023.  Synopsis of the ptereleotrine goby genus Nemateleotris, with description of a new species from the western and central Pacific Ocean (Teleostei: Gobiidae). Raffles Bulletin of Zoology 71: 248-266 See ref online

Quick Facts


Conservation:IUCN Least Concern

Depth:25-90m (usually below 40m)

Fishing:Aquarium fish

Habitat:Reef associated

Max Size:6 cm TL

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CAAB distribution map