Shortfin Catfish, Neosilurus brevidorsalis (Günther 1867)


Other Names: Short Finned Tandan, Short-finned Catfish
Summary:
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Cite this page as:
Martin F. Gomon, Neosilurus brevidorsalis in Fishes of Australia, accessed 21 Nov 2018, http://fishesofaustralia.net.au/home/species/2763

Shortfin Catfish, Neosilurus brevidorsalis (Günther 1867)

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Distribution

QLD (N Gulf); Cape York, Gulf of Carpentaria, QLD; tropical; freshwater; benthic; inhabiting warm, clear, flowing streams as well as billabongs, flooded lagoons and turbid backwaters.

Features

D I, 4; C,D,A; 130; P I, 10; V 12

 Body elongate and tapering posteriorly; head broad and slightly flattened; gill rakers on first arch 15 to 24; 4 pairs of nasal barbels; nasal barbels reaching from between rear edge of eye to beyond operculum. Scales absent.  Small dorsal fin anteriorly with sharp spine and 4 rays; second dorsal and anal fins confluent with caudal fin, 130 rays; pectoral fin with sharp spine and 10 rays; caudodorsal fin base length 14 to 35% SL, originating well behind middle back

Size

To 20cm, commonly to 15cm.

Colour

Brown or grey to nearly blackish, whitish on belly and ventral surface of head.

Feeding

Feeds on insects, prawns, molluscs and small crayfish.

Remarks

Distinguished by the reduced anterior dorsal fin.

Species Citation

Copidoglanis brevidorsalis G√ľnther A. (1867). Additions to the knowledge of Australian reptiles and fishes. Ann. Mag. Nat. Hist. (3)20(8): 45-68. Nicol Bay, Cape York (QLD).

Author

Martin F. Gomon

Shortfin Catfish, Neosilurus brevidorsalis (Günther 1867)

References


Allen 1989

Allen 2002

Hoese et al Catalogue

Quick Facts


CAAB Code:37192010

Habitat:freshwater

Max Size:20 cm

Native:endemic

Species Maps

CAAB distribution map