New Zealand Journal of Marine and Freshwater Research abstracts

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REPEATED SPAWNING AND SURVIVAL OF MALE QUINNAT SALMON IN NEW ZEALAND (NOTE)

M. Flain

Fisheries Laboratory, Marine Department, Christchurch, New Zealand

Abstract In the Marine Department archives, early records (1930-41) of marked parr of quinnat salmon Oncorhynchus tshawytscha (Walbaum) show that some held in freshwater hatchery ponds in south Canterbury survived development of testes for two consecutive years, and that one fish developed testes for three consecutive years and gave indications that it might survive into the fourth. It is generally believed that all wild adults of this species die after one spawning.

N.Z. Journal of Marine and Freshwater Research 5 (3 & 4) : 519-21
Received for publication 8 June 1971

PDF file of entire paper: medium quality (131K); (scanned from paper original: notes about this process)

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