Spine-cheek Gudgeon, Eleotris acanthopoma Bleeker 1853


Other Names: Spinecheek Gudgeon

A Spine-cheek Gudgeon, Eleotris acanthopoma, at Tai Tam Tuk, Hong Kong Island, Hong Kong. Source: H.T. Cheng / iNaturalist. License: CC BY Attribution-Noncommercial

Summary:
See ‘More Info’ tab.

Cite this page as:
Martin F. Gomon, Eleotris acanthopoma in Fishes of Australia, accessed 11 Jul 2020, http://136.154.202.208/home/species/1163

Spine-cheek Gudgeon, Eleotris acanthopoma Bleeker 1853

More Info


Distribution

In northern Australia known from Cape Tribulation, QLD (16°04'S), also occurs elsewhere in the tropical western Pacific; benthic, inhabiting brackish estuaries and freshwater streams with mud bottoms.

Features

D VI; I,8; A I,8; P 15-17; V I, 5; Tr Sc 12-15; GR 8-10.
Body elongate, cylindrical anteriorly, compressed posteriorly; body stout, depth 18.1-22.2% SL; length of caudal peduncle less than 2 times its depth.  Head pointed, dorsally flattened, depth 28.5-36.4% of head length; frontal profile straight to slightly concave. Snout pointed, as long as eye, tip before upper part of eye. Anterior nostril near margin of snout as a short tube.  Eye 18.1-22.2% head length, inter-orbital 1.0-1.7 eye diameter. Lower jaw prominent; upper jaw reaching to or just past middle of eye; teeth in many rows, small, inner and outer most rows a little enlarged, subequal. Preopercular spine conical, curved. Supraopercular groove distinct. 5-6 transverse lines of pit organ canals along lower edge of cheek.
Scales of body ctenoid posteriorly, cycloid anteriorly; lateral line absent; longitudinal series 48-56; predorsal scales 33-46; snout naked, head with scales above, between and behind eye, on cheek and opercle. 11-12 scales in a transversal line at mid caudal peduncle.
Two dorsal fins; first dorsal fin obtuse, about half body height, second, third and fourth rays longest; second dorsal and anal fin higher than first dorsal fin, about as high as body. Caudal fin obtuse, a little shorter than head. Pectoral fin obtuse, about as long as head. Pelvic fins separate, slightly shorter.

Size

To around 13 cm.

Colour

Overall dark brown.

Feeding

Feeds on a variety of invertebrates including crustaceans, worms, gastropods and insects.

Biology

Oviparous, benthic spawners.

Species Citation

Eleotris acanthopomus Bleeker, P. (1853). Diagnostische beschrijvingen van nieuwe of weinig bekende vischsoorten van Sumatra. Tiental V–X. Nat. Tijdschr. Ned. Ind. 4: 243–302 [275].
Western Sumatra, Indonesia.

Author

Martin F. Gomon

Spine-cheek Gudgeon, Eleotris acanthopoma Bleeker 1853

References


Allen, G.R., Midgley, S.H. & Allen, M. (2002). Field Guide to the Freshwater Fishes of Australia.  Perth : Western Australian Museum 394 pp. [318].

Quick Facts


CAAB Code:37429016

Habitat:freshwater and brackish estuaries

Max Size:13 cm

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Species Maps

CAAB distribution map