New Zealand Journal of Marine and Freshwater Research abstracts

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Quinnat salmon {Oncorhynchus tshwaytscha) spawning in the Rangitikei River

B. J. HICKS

Fisheries Research Division Ministry of Agriculture and Fisheries P.O. Box 297 Wellington, New Zealand

N. R. N. WATSON

Wellington Acclimatisation Society P.O. Box 1884 Wellington, New Zealand

Abstract The occurrence of adult quinnat salmon {Oncorhynchus tshawytscha (Walbaum)) in the Rangitikei River, North Island, New Zealand, has been confirmed on several occasions since 1922, but juvenile salmon have not previously been recorded. In late February 1981 a 79-mm-fork-length smolt was caught in a stranded side channel 180 km upstream from the mouth. This suggests that quinnat salmon can spawn successfully in this river.

Keywords quinnat salmon; Oncorhynchus tshawytscha; Salmoniformes; spawning; Rangitikei River; spawning grounds; spawning migrations; smolt; geographical distribution.

New Zealand Journal of Marine and Freshwater Research, 1983, Vol. 17 : 17-19 Received 12 July 1982; accepted 20 September 1982

PDF file of entire paper: medium quality (176K); (scanned from paper original: notes about this process)

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