Rudderfish, Centrolophus niger (Gmelin 1789)


Other Names: Rudder Fish

A Rudderfish, Centrolophus niger, collected during the 2003 NORFANZ Expedition to survey seamount chains in the Tasman Sea. Source: Kerryn Parkinson / NORFANZ Founding Parties. License: All rights reserved


Cite this page as:
Martin F. Gomon & Dianne J. Bray, Centrolophus niger in Fishes of Australia, accessed 16 Nov 2018, http://fishesofaustralia.net.au/home/species/742

Rudderfish, Centrolophus niger (Gmelin 1789)

More Info


Distribution

Knwon in Australian waters from the continental slope off Sydney (33°28'S), NSW to the Northwest Shelf (18°42'S), WA, although rarely taken along the south and west coasts; also Taupo Seamount (33°15'S, 156°12'E), Tasman Sea, and Lord Howe Island.; depth range 114-1178 metres.

Elsewhere, widespread from the North and South Atlantic, Mediterranean, Adriatic, South Africa and New Zealand

Features

Dorsal fin (total) 37-42; Anal fin (total) 24-27; Caudal fin 17; Pectorla fin 20-23; Pelvic fin i, 5: Lateral line approx. 150; Gill rakers 5-6+1+13-15; Vertebrae 25.

Body streamlined, moderately shallow (25-30% SL), thick; caudal peduncle long, almost tubular. Head small (21-25% SL) but thick; snout very blunt;  eyes small (17-21% HL); mouth small, maxillae reaching below front of eyes, very slightly oblique; teeth fine, single row in each jaw.

Scales very small and easily dislodged; lateral line curved, about parallel to profile of back. Head and trunk covered with small pores. Pyloric caeca few, finger-like. 

Single elongate, low, fleshy dorsal fin with short soft spines grading into branched rays, origin well behind pectoral fin bases, fin highest anteriorly, outer margin slightly concave; anal fin low, of moderate length, margin slightly concave; caudal fin lunate to slightly forked. Pectoral fins small and rounded. Pelvic fins very small, thoracic.

Size

To 1.2 metres

Colour

Dull dusky brown on back, paling to silvery grey on belly; fins entirely grey brown; head deep brown paling on snout to pale creamy pink; no distinctive markings. Juveniles with 2 broad dark bands across sides.

Fisheries

Rarely taken and even less so in commercial quantities but may be caught more as large powerful trawlers increasingly harvest deep continental slope waters.

Species Citation

Perca nigra Gmelin, 1789
Gmelin, J.F. 1789. Pisces. pp. 1126-1516 in Linnaeus, C. (ed.). Systema Naturae. Leiden : Delamollière Vol. 1 Pt 3 [1321]. Type locality: Rivers of Cornwall, England.

Author

Martin F. Gomon & Dianne J. Bray

Rudderfish, Centrolophus niger (Gmelin 1789)

References


Gmelin, J.F. 1789. Pisces. pp. 1126-1516 in Linnaeus, C. (ed.). Systema Naturae. Leiden : Delamollière Vol. 1 Pt 3.

Gomon, M.F. 2008. Families Sphyraenidae to Centrolophidae. pp. 774-800 in Gomon. M.F., Bray, D.J. & Kuiter, R.H (eds). Fishes of Australia's Southern Coast. Sydney : Reed New Holland 928 pp.

Last, P.R., Scott, E.O.G. & Talbot, F.H. 1983. Fishes of Tasmania. Hobart : Tasmanian Fisheries Development Authority 563 pp. figs.

McDowall, R.M. 1982. The centrolophid fishes of New Zealand (Pisces : Stromateoidei). Journal of the Royal Society of New Zealand 12(2): 103-142 figs 1-20

McDowall, R.M. 1994. Family Centrolophidae. pp. 832-838, figs 736-741 in Gomon, M.F., Glover, C.J.M. & Kuiter, R.H (eds). The Fishes of Australia's South Coast. Adelaide : State Printer 992 pp. 810 figs.

Parin, N.V. & Piotrovsky, A.S. 2004. Stromateoid fishes (suborder Stromateoidei) of the Indian Ocean (species composition, distribution, biology, and fisheries). Journal of Ichthyology 44(Suppl. 1): 33-62

Quick Facts


CAAB Code:37445004

Depth:114-1178 m

Feeding:Carnivore

Habitat:Deepwater, oceanic

Max Size:1.2 m

Species Image Gallery

Species Maps

CAAB distribution map