Smallpore Whiptail, Cetonurichthys subinflatus Sazonov & Shcherbachev 1982


Smallpore Whiptail, Cetonurichthys subinflatus. Source: Australian National Fish Collection, CSIRO. License: CC BY Attribution-NonCommercial

Summary:

The Smallpore Whiptail is the only species in the genus Cetonurichthys.


Cite this page as:
Dianne J. Bray, Cetonurichthys subinflatus in Fishes of Australia, accessed 21 Jul 2018, http://fishesofaustralia.net.au/home/species/1701

Smallpore Whiptail, Cetonurichthys subinflatus Sazonov & Shcherbachev 1982

More Info


Distribution

Tropical and subtropical Indo-southwest Pacific; known from the eastern Indian Ocean, Australia and New Caledonia, off the Norfolk Ridge; bathydemersal on the continental slope at 1316-1700 m.

Features

Meristic features: Dorsal fin II, 9-10; Pectoral fin 15-17; Pelvic fin 8; Gill rakers (inner) 8-9.

Head broad, shallow, snout with paired tubercular scales at tip, suborbital ridge lacking stout scute-like scales; mouth inferior, noticeably protrusible, lips fleshy, jaws short, teeth in short, broad, crescent-shaped rows, outer series in upper jaw enlarged; chin barbel short. Scales on trunk small, with erect spinules in no particular arrangement; scales along dorsal-fin bases larger than surrounding ones; head completely scaled. Cephalic sensory canal moderately dilated, lacking open pores; lateral line canal with modified scales. Spinous second ray of first dorsal fin with small serrations; outer ray of pelvic fins elongate, fin distinctly posterior to a line through first dorsal- and pectoral-fin bases. Anus midway between bases of anal and pelvic fins, periproct narrow; no dermal window of light organ.

Size

Reaches a total length of 40 cm.

Feeding

Carnivorous - prey items unknown.

Biology

In species of the family Macrouridae, the sexes are separate and fertilisation is external, eggs and larvae are pelagic. Little is known of the biology of this species.

Fisheries

Of no interest to commercial fisheries.

Conservation

Not evaluated.

Species Citation

Cetonurichthys subinflatus Sazonov & Shcherbachev 1982, Vopr. Ikhtiol. 22(5): 715, fig. 3, Southern Indian Ocean 16°55 S, 114°53 W.

Author

Dianne J. Bray

Smallpore Whiptail, Cetonurichthys subinflatus Sazonov & Shcherbachev 1982

References


Bray, D.J., D.F. Hoese, J.R. Paxton & J.E. Gates. 2006. Macrouridae (pp. 581-607). In: Hoese, D.F., D.J. Bray, J.R. Paxton, G.R. Allen, P.L. Beesley & A. Wells. (Eds.) Zoological Catalogue of Australia. Volume 35. ABRS & CSIRO Publishing: Australia Part 1, pp. xxiv 1-670.

Iwamoto, T. & Williams, A. 1999. Grenadiers (Pisces, Gadiformes) from the continental slope of western and northwestern Australia. Proc. Calif: Acad. Sci. 51(3): 105-243, figs. 1-58.

Merrett, N.R. & T. Iwamoto. 2000. Pisces Gadiformes: Grenadier fishes of the New Caledonian region, southwest Pacific Ocean. Taxonomy and distribution, with ecological notes, pp. 723-781 In Crosnier, R. (ed). Résultats des Campagnes MUSORSTOM, 21. Mem. Mus. Natl. Hist. Nat. 184.

Sazonov, Yu.I. & Yu.N. Shcherbachev. 1982. A preliminary review of grenadiers related to the genus Cetonurus Günther (Gadiformes, Macrouridae). Descriptions of new taxa related to the genera Cetonurus Günther and Kumba Marshall. J. Ichthyol. 22(5):1-15.

Shcherbachev, Y.N. 1987. Preliminary list of thalassobathyal fishes of the tropical and subtropical waters of the Indian Ocean. J. Ichthyol. 27(2):37-46.

Quick Facts


CAAB Code:37232048

Biology:Bioluminescent

Depth:1315-1700 m

Depth:1315-1700 metres

Feeding:Carnivore

Habitat:Bathydemersal

Max Size:400

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