Species Hypseleotris gymnocephala Thacker, Geiger & Unmack, 2022

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• Hypseleotris gymnocephala Thacker C.E., Geiger D.L., Unmack, P.J. 2022. Species delineation and systematics of a hemiclonal hybrid complex in Australian freshwaters (Gobiiformes: Gobioidei: Eleotridae: Hypseleotris). Royal Society Open Science 9(220201): 1-19 [Date published 5 July 2022] [12, fig 7].

  Type data:

   Holotype NMV A 32245-001 ♂, Meadow Creek, a Lachlan River tributary at Gunning, New South Wales.
  Paratype(s) NMV A 32245-002 ♀, taken with holotype; AM I.47540-001 ♂, taken with holotype; AM I.47540-002 ♀, taken with holotype; LACM 60027-1 ♂ & ♀, taken with holotype.

 

Miscellaneous Literature Names

• Hypseleotris sp 5. —
  Hoese, D.F., Larson, H.K. & Llewellyn, L.C. 1980. Family Eleotridae: gudgeons. pp. 169-185 19 figs in McDowall, R.M. (ed.). Freshwater Fishes of South-eastern Australia. Sydney : A.H. & A.W. Reed 208 pp., figs, 32 pls. [184] (largely based on hemiclones)
  Larson, H.K. & Hoese, D.F. 1996. Family Gobiidae, subfamilies Gobiinae and Gobionellinae. pp. 220-228 in McDowall, R.M. (ed.). Freshwater Fishes of South-eastern Australia. Sydney : Reed Books 247 pp. (largely based on hemiclones)
  Thacker, C. & Unmack, P.J. 2005. Phylogeny and biogeography of the eleotrid genus Hypseleotris (Teleostei: Gobioidei: Eleotridae), with redescription of H. cyprinoides. Records of the Australian Museum 57: 1-13 (largely based on hemiclones)
  Thacker, C.E., Unmack, P.J., Matsui, L. & Rifenbark, N. 2007. Comparative phylogeography of five sympatric Hypseleotris species (Teleostei: Eleotridae) in south-eastern Australia reveals a complex pattern of drainage basin exchanges with little congruence across species. Journal of Biogeography 34(9): 1518-1533 (largely based on hemiclones)
• Hypseleotris sp 1. —
  Allen, G.R., Midgley, S.H. & Allen, M. 2002. Field Guide to the Freshwater Fishes of Australia. Perth : Western Australian Museum 394 pp. [299] (largely based on hemiclones)

 

Introduction

Previous records of the species largely have been based on hemiclones, resulting from hybridization between this and other species (H. acropinna and H. bucephala). The species was undoubtedly widespread at one time, but is now known from only one genetically distinct and self breeding population. The genetic identity of material collected in the 1800's is currently unknown.

The species was listed as Critically Endangered by the IUCN in 2019

 

Distribution

States

New South Wales

Extra Distribution Information

Lachlan River, Murray-Darling Drainage, NSW

Australian Endemic.

IBRA and IMCRA regions

IBRA

NSW: South Eastern Highlands (SEH)

Ecological Descriptors

Freshwater.

 

Common Name References

Hoese, D.F., Larson, H.K. & Llewellyn, L.C. 1980. Family Eleotridae: gudgeons. pp. 169-185 19 figs in McDowall, R.M. (ed.). Freshwater Fishes of South-eastern Australia. Sydney : A.H. & A.W. Reed 208 pp., figs, 32 pls. [184] (most samples based on hemiclones) (Lake's Carp Gudgeon)

Thacker C.E., Geiger D.L., Unmack, P.J. 2022. Species delineation and systematics of a hemiclonal hybrid complex in Australian freshwaters (Gobiiformes: Gobioidei: Eleotridae: Hypseleotris). Royal Society Open Science 9(220201): 1-19 [Date published 5 July 2022] [11] (Bald Carp Gudgeon)

 

History of changes

Published	As part of group	Action Date	Action Type	Compiler(s)
	ELEOTRIDAE	28-Jul-2022	ADDED	Dr Doug Hoese (AM)