New Zealand Journal of Marine and Freshwater Research abstracts

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Spawning of Galaxias fasciatus Gray (Salmoniformes : Galaxiidae)

C. P. MITCHELL

B. P. PENLINGTON

Fisheries Research Division Ministry of Agriculture and Fisheries P. O. Box 951 Rotorua, New Zealand

Abstract For the first time Galaxias fasciatus Gray were observed spawning. The spawning sites were among flooded terrestrial vegetation along the margins of a stream during the peak of a flood. Spawning appeared to be a communal event and the fish were vulnerable to eel (Anguilla dieffenbachii) predation at the time. This spawning behaviour may have some effect on the survival of the young and therefore their subsequent whitebait run.

Keywords Galaxias fasciatus; Galaxiidae; spawning; reproductive behaviour; spawning grounds; breeding; environmental effects; floods; banded kokopu; whitebait; Waihi Reservoir

New Zealand Journal of Marine and Freshwater Research, 1982, Vol. 16 : 131-133
Received 7 December 1981; accepted 19 April 1982

PDF file of entire paper: medium quality (736K); (scanned from paper original: notes about this process)

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