Johnson's Coralbrotula, Diancistrus jeffjohnsoni Schwarzhans, Møller & Nielsen 2005


Johnson's Coralbrotula, Diancistrus jeffjohnsoni. Source: Australian National Fish Collection, CSIRO. License: CC by Attribution-NonCommercial

Summary:
This secretive brotula shelters in crevices on reefs of northern Australia.

Cite this page as:
Dianne J. Bray, Diancistrus jeffjohnsoni in Fishes of Australia, accessed 22 Sep 2020, http://136.154.202.208/home/species/4062

Johnson's Coralbrotula, Diancistrus jeffjohnsoni Schwarzhans, Møller & Nielsen 2005

More Info


Distribution

Endemic to northern Australia from Fitzroy Reefs, Western Australia, to Sweers Island, Gulf of Carpentaria, Queensland. 

Features

Dorsal fin 70-77; Anal fin 55-63; Vertebrae 11-12+ 30-32=42-44. 
Eyes that are moderately large (2.4-3.0% SL), D/V 6-7; outer pseudoclasper large, twice the length of the inner pseudoclasper, wing-shaped, with narrow base, flat and its posterior part strongly bent backward; inner pseudoclasper almost completely joined to outer pseudoclasper anteriorly, thin, small, with single tip, not extending over anterior part of outer pseudoclasper; narrow scale patch on cheek with 3-5 scale rows on upper cheek, single large scale on operculum above opercular spine, usually covered by mucus and skin; head is slender, elongate (head depth 14-17% SL); first and second lower preopercular pore with separate opening (not fused as in all other species of the genus); otolith slender, length to height ratio 2.2-2.3, otolith length to sulcus length 2.2-2.4, dorsal rim regularly curved without angles.

Etymology

The species is named jeffjohnsoni for Jeff Johnson of the Queensland Museum, Brisbane, Australia.

Species Citation

Diancistrus jeffjohnsoni Schwarzhans, Møller & Nielsen 2005, The Beagle 21: 117, figs. 34, 35, 40. Type loccality: Sweers Island, Gulf of Carpentaria, QLD, 2-3.5 m. [17°08’S, 139°36’E]. 

Author

Dianne J. Bray

Resources

Atlas of Living Australia

Johnson's Coralbrotula, Diancistrus jeffjohnsoni Schwarzhans, Møller & Nielsen 2005

References


Larson, H.K., Williams, R.S. & Hammer, M.P. 2013. An annotated checklist of the fishes of the Northern Territory, Australia. Zootaxa 3696(1): 1-293.

Schwarzhans, W., Møller, P.R. & Nielsen, J.G. 2005. Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-West Pacific. Part I. Diancistrus and two new genera with 26 new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 21: 73-163.

Quick Facts


CAAB Code:37228091

Biology:Live bearer

Depth:2-4 m

Habitat:Reef associated

Max Size:8 cm SL

Native:Endemic

Species Image Gallery

Species Maps

CAAB distribution map