摘要
对中臀拟鲿资源调查,发现滇池湖区已绝迹,而周边的涌泉、龙潭、溪流等水体尚有残存,鲿鱼分布范围狭窄,种群数量较少,栖息于水质清澈、河流缓流区的石砾底质的水域。中臀拟鲿为底层小型肉食性鱼类,每年5月下旬至7月下旬为繁殖期,粘性卵,淡黄色,卵径2.5 mm,相对怀卵量70～80粒/g。产卵于石砾卵石的流水河底或水草上。雄鱼有筑巢护卵的习性。
Through investigating the species resources of Dianehi lake bullhead, the results showed that it had disappeared in Dianehi lakes, but it still remains in the periphery of fountains, vanclusian springs, streams, and etc. Dianehi lake bullhead inhabits in the water which was clear, flow, contains rocks. Its distribution range was narrow and the population was rare. Its breeding season is between May and July. Its egg was sticky and pale yellow. The egg size was 2.5mm. The relative amount of eggs was 70 - 80 particle/g and it spawns on pebble bed or aquaticplant. The male fish had the habits for nesting and protecting the eggs.
出处
《西南农业学报》
CSCD
北大核心
2012年第6期2376-2379,共4页
Southwest China Journal of Agricultural Sciences
基金
云南省科技计划项目(2008ZC156M)
云南省教育厅科学研究基金(08C0275)
关键词
中臀拟鲿
栖息环境
种群现状
食性
繁殖习性
Dianchi lake bullhead （ Pseudobagrus medianalis Regan）
Habitat environment
Population status
Diet
Breeding habit
