Coelorinchus thurla Iwamoto & Williams 1999


Other Names: Thurla Whiptail

Illustration of the Thurla Whiptail, Coelorinchus thurla. Source: T. Iwamoto, California Academy of Sciences. License: All rights reserved

Summary:

This little grenadier with the large oblong spot near the pectoral fin is only found in northern Australian waters.


Cite this page as:
Bray, D.J. & G. Frankham, Coelorinchus thurla in Fishes of Australia, accessed 17 Nov 2018, http://fishesofaustralia.net.au/home/species/3023

Coelorinchus thurla Iwamoto & Williams 1999

More Info


Distribution

Endemic Australian species known only from off northern and northwestern Australia; bathydemersal on the continental slope and continental shelf at 179-320 m.

Features

D II, 8-9; P 14-16; V 7; GR (inner) 6-8; BR 6; PC
Snout moderately long, much longer than orbit diameter, sharply pointed in lateral view, tipped with sharp spiny scute, anterolateral margins completely supported by bone. Mouth small, upper jaw teeth in short broad band, lower jaw teeth in narrow tapering band, outer rows not enlarged; chin barbel short, thick near base, rapidly tapering to fine tip. Underside of head completely naked, nasal fossa naked or with a few tiny scales; body scales with short, fine needle-like spinules in 6-11 parallel rows. Second dorsal fin poorly developed over most of length, outer pelvic-fin ray slightly elongate. Except for outer pelvic ray, none of fins with produced rays. Anus slightly removed from anal fin origin. Light organ externally visible as a short, narrow black fossa between pelvicfins.

Size

A small species, only reaching a total length of 21 cm.

Colour

Overall brownish, underside of head, lips, barbel and gums somewhat creamy white; mouth and gullet mostly dark, paler near mouth opening; abdomen with bluish tinge, dark area extending onto chest ventrally; anterior lateral line overlaid with a prominent oblong ocellated spot, 4-5 scale rows deep; a fainter, elongated saddle mark (more like a diagonal band in some) below second dorsal fin, separated from pectoral spot by distance about equal to snout length or length of snout and orbit.

Feeding

Unknown.

Biology

Unknown.

Fisheries

Of no commercial interest.

Conservation

Not assessed.

Species Citation

Coelorinchus thurla Iwamoto & Williams (1999, Proc. Calif. Acad. Sci. 51(3): 164,  Northwest Shelf, Western Australia, 13°45'04"S, 123°30'00"E.

Author

Bray, D.J. & G. Frankham

Coelorinchus thurla 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:37232115

Biology:Bioluminescent

Depth:180-320 m

Feeding:Carnivore

Habitat:Bathydemersal

Max Size:310

Native:Endemic

Species Image Gallery

Species Maps

CAAB distribution map