New Zealand Journal of Marine and Freshwater Research abstracts

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A new grenadier, genus Caelorinchus, from Australia and New Zealand (Pisces, Gadiformes, Macrouridae)

TOMIO IWAMOTO

Department of Ichthyology
California Academy of Sciences
San Francisco, CA 94118
United States
email: tiwamoto@calacademy.org

PETER MCMILLAN

National Institute of Water & Atmospheric
 Research Ltd
P. O. Box 14 901
Wellington, New Zealand

YURI N. SHCHERBACHEV

P. P. Shirshov Institute of Oceanology
Academy of Sciences of Russia
23 Krasikova Street
Moscow 117218, Russia

Abstract  A new species, Caelorinchus trachycarus, is described from continental slope depths of 622-1350 m off New Zealand, southern Australia, and the Norfolk Ridge south of New Caledonia. The modified scales of head ridges is especially spiny, more so than in any other member of the genus. The blackish fins, dark overall coloration, prominent free neuromasts on the head, and the numerous parallel rows of spinules on body scales distinguish the new species from the closely similar and sympatric C. acanthiger. It differs from C. parallelus and C. kermadecus by its naked nasal fossa, snout length, and scale spinulation, among other characters.

Keywords  Macrouridae; Caelorinchus; grenadier; new species; Australia; New Zealand; New Caledonia

M98058
Received 13 August 1998; accepted 9 October 1998

PDF file of entire paper: medium quality (912K); (scanned from paper original: notes about this process)

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