Genus Thalasseleotris


A genus of small marine fishes with the following characteristics: head pores lacking, a single pterygiophore before the first haemal arch; a broad membrane closing the first gill slit to the gill cover.

Diagnosis: Gill opening broad, gill membranes attached to isthmus below posterior quarter of eye; membranes forming a free fold across the isthmus. Vertebrae 10/17. Tongue tip deeply bilobed. First gill slit closed by membrane from the lower part of the first gill arch to the inner gill cover. Head without scales, body covered with ctenoid scales, cycloid on belly. Mouth small, posterior end of jaws reaching to a point below the posterior quarter of the eye. Pelvic fins completely separate, with no basal membrane. Segmented caudal-fin rays 8+8=16 (Hoese & Larson 1987).

Author: Douglass F. Hoese, Helen K. Larson & Dianne J. Bray

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Cite this page as:
Douglass F. Hoese, Helen K. Larson & Dianne J. Bray, Thalasseleotris in Fishes of Australia, accessed 28 Jun 2022,


Hoese, D.F. 2006. Eleotridae (pp. 1596-1610). In: Beesley, P.L. & Wells, A. (eds) 2006. Zoological Catalogue of Australia.Volume 35 Australia : ABRS & CSIRO Publishing Parts 1-3 2178 pp.

Hoese, D.F. 2008. Family Eleotridae (pp. 746-748). In: Gomon. M.F., Bray, D.J. & Kuiter, R.H (eds). Fishes of Australia's Southern Coast. Sydney : Reed New Holland 928 pp.

Hoese, D.F. & Larson, H.K. 1994. Family Eleotrididae. pp. 810-813, figs 715-717 In: Gomon, M.F., Glover, C.J.M. & Kuiter, R.H (eds). The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs [812]

Hoese, D.F. & C.D. Roberts. 2005. A new species of the eleotrid genus Thalasseleotris (Teleostei: Gobioidei) from New Zealand coastal waters. Journal of the Royal Society of New Zealand 35(4): 417-431. pdf

Gill, A.C. & R.D. Mooi. 2012. Thalasseleotrididae, new family of marine gobioid fishes from New Zealand and temperate Australia, with a revised definition of its sister taxon, the Gobiidae (Teleostei: Acanthomorpha). Zootaxa 3266: 41-52. pdf