Javelin Whiptail, Coelorinchus gaesorhynchus Iwamoto & Williams 1999


Coelorinchus-gaesorhynchus

Coelorinchus-gaesorhynchus. Source: Coelorinchus-gaesorhynchus. License:

Summary:
See ‘More Info’ tab

Cite this page as:
Bray, D.J. & G. Frankham, Coelorinchus gaesorhynchus in Fishes of Australia, accessed 25 Sep 2018, http://fishesofaustralia.net.au/home/species/3611

Javelin Whiptail, Coelorinchus gaesorhynchus Iwamoto & Williams 1999

More Info


Distribution

Southeastern Indian Ocean, endemic to Western Australian waters; demersal on the continental slope to 290 m.

Features

D II, 9; P 14-15; V 7; GR (inner) 8; BR 6; PC
Snout about half the length of head, anterolateral margins incompletely supported by bone; mouth relatively small, jae teeth small, in moderately-wide tapered bands; upper jaw short, extending to below posterior one-third of orbit; chin barbel short, fine. Gill openings relatively wide, extending forward ventrally almost to hind end of orbits, membranes narrowly attached to isthmus. Underside of head naked (except scales overlapping onto anteroventral snout surface), including nasal fossa. Body scales thin, with short spinules in somewhat quincunx pattern. Light organ present, extending from isthmus to anus.

Size

A small species reaching a total length of 25 cm.

Colour

No bold body markings in adults; first dorsal fin, anal and pectoral fins dusky; dorsal fin base with blackish edges, medial surfaces of pectoral fin bases black; pelvic fins densely covered with large melanophores; median nasal process blackish, mouth pale with blackish lips and premaxillary process.

Biology

Unknown.

Fisheries

Of no commercial interest.

Conservation

Not assessed.

Species Citation

Coelorinchus gaesorhynchus Iwamoto & Williams 1999, Proc. Calif. Acad. Sci. 51(3): 136, fig.10, north-west of North West Cape, Western Australia, 290 m.

Author

Bray, D.J. & G. Frankham

Javelin Whiptail, Coelorinchus gaesorhynchus Iwamoto & Williams 1999

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, G.R. Allen, J.R. Paxton, P.L. Beesley & A. Wells (Eds.) Zoological Catalogue of Australia. Volume 35. Fishes. CSIRO Publishing & the Australian Biological Resources Study (ABRS), 3 vols., 2248 pp.

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.

Quick Facts


CAAB Code:37232107

Biology:Bioluminescent

Depth:290-700 m

Feeding:Carnivore

Habitat:Bathydemersal

Max Size:25 cm TL

Native:Endemic

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