Timing and habitat of koaro (Galaxias brevipinnis) spawning in streams draining Mt Taranaki, New Zealand

被引:14
作者
Allibone, RM
Caskey, D
机构
[1] Natl Inst Water & Atmospher Res Ltd, Hamilton, New Zealand
[2] Dept Conservat, Stratford Area Off, Stratford, New Zealand
关键词
whitebait; autumn; threatened fish; Galaxiidae;
D O I
10.1080/00288330.2000.9516960
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
A spawning site of Galaxias brevipinnis Gunther was located in a New Zealand stream for the first time. It was at the edge of a riffle and only partially submerged. The habitat used for spawning matched that described for G. brevipinnis in Australia. Spawning was estimated to have occurred between late April and early May and the eggs hatched in late May. The species of fish spawning was identified by rearing the eggs through to identifiable juveniles and by DNA sequencing of one individual.
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页码:593 / 595
页数:3
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