Sinuous Gudgeon, Odonteleotris macrodon (Bleeker 1853)
A Sinuous Gudgeon, Odonteleotris macrodon, from a drain in Ludmilla, Darwin, Northern Territory during the wet season, January 2001 (length 30cm). Source: Dave Wilson / Aquagreen. License: All rights reserved
Sinuous Gudgeon, Odonteleotris macrodon (Bleeker 1853)
More Info
Distribution |
Known from the Kimberley region of north Western Australia, to the Gurrumuru Flood Plains, East Arnhem Land, Northern Territory. Elsewhere, the species occurs in the tropical east-Indo-west Pacific. Inhabits coastal rivers, streams and brackish areas. |
Features |
Dorsal fin VI; I, 9-10; Anal fin I, 8; Pectoral fin 17; Pelvic fin I, 5; Transverse scales 30. Body elongate, anteriorly cylindrical, posteriorly compressed; depth 5 in SL. Head slightly depressed, length 3.5-3.75 in SL, dorsal profile between eyes slightly concave. Snout rounded, less than 2 eye diameters, tip before upper part of eye. Anterior nostril tubular. Eye 8 in head; interorbital 3 eye diameters. Mouth reaching to below posterior part of eye; teeth in several rows, outer row in upper jaw with 4-6 canines, inner row behind symphysis with curved canine; outer row in lower jaw with 4 canines. Four mucous canals radiating from underside of eye, crossed by 2 longitudinal canals on cheek; short canals radiating from top of eye, longitudinal canal on each side from snout to interorbital; lower side of head with many short transverse canals along ramus of lower jaw; longitudinal canal on each side of chin; interorbital with about 3 open pores on each side around eye. Body and head, except snout, covered with cycloid scales; longitudinal series 90; predorsal scales 60. First dorsal fin low, height less than half body height, third and fourth rays longest; second dorsal and anal fin higher than body, pointed posteriorly. Pectoral fin as long as postorbital part of head. Ventral fin slightly shorter. Caudal fin obtuse. |
Size |
To around 13 cm SL |
Colour |
Blackish green above, pink below; 2-4 black stripes on cheek radiating from eye. Rays of dorsal and caudal fins spotted, membrane violet; anal fin with red margin; red spot dorsally on caudal fin base. Anterior margin of pelvic fin red. |
Feeding |
Likely to feed on small insects, crustaceans and small fishes. |
Biology |
Likely to be oviparous, benthic spawners. |
Etymology |
The specific name macrodon is from the Greek makros (= great, large) and odon (= tooth) in reference to the large canine teeth on the upper and lower jaws. |
Species Citation |
Eleotris macrodon Bleeker, 1853, Verh. Bat. Gen. 25: 104, pl. 2(1). Type locality: Hooghly River at Calcutta, India. |
Author |
Gomon, M.F. & Bray, D.J. 2020 |
Resources |
Sinuous Gudgeon, Odonteleotris macrodon (Bleeker 1853)
References
Allen, G.R. & Leggett, R. 1990. A collection of freshwater fishes from the Kimberley region of Western Australia. Records of the Western Australian Museum 14(4): 527-545 fig. 1
Bleeker, P. (1853). Nalezingen op de ichthyologische fauna van Bengalen en Hindostan. Verh. Bat. Gen. 25: 1–164 pls 1–6 See ref at BHL
Kottelat, M., Whitten, A.J., Kartikasar, S.N. & Wirjoatmodjo, S. 1993. Freshwater fishes of Western Indonesia and Sulawesi. Hong Kong : Periplus Editions 259 pp.
Larson, H.K. & Murdy, E.O. 2001. Eleotridae, Gobiidae. pp. 3574-3604 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.
Larson, H.K. & Williams, R.S. 1997. Darwin Harbour fishes: a survey and annotated checklist. pp. 339-380 in Hanley, H.R., Caswell, G., Megirian, D. & Larson, H.K. (eds). The Marine Flora and Fauna of Darwin Harbour, Northern Territory, Australia. Proceedings of the Sixth International Marine Biology Workshop. Darwin : Museum and Art Gallery of the Northern Territory 466 pp. (as Oxyeleotris sp.)
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
Leggett, R. & Merrick, J.R. 1987. Australian Native Fishes for Aquariums. Artarmon : J.R. Merrick Publications 241 pp. 142 figs.