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江鳕(鳕科) 又名:山鲶鱼
Lota lota (Linnaeus)


外形略似鲶鱼。口端位,下颌稍长于上颌,上、 下颌及犁骨均具绒毛状细齿。颌部中央有1须。前背鳍小,后背鳍长。胸鳍小,腹鳍胸位。鳞小,埋于皮下。体色随栖息环境及生活季节而有变化。
冷水性鱼类,少集群,喜居于清澈的流水中。生活环境随季节而变化,春夏季向支流,上溯而秋后则下移。穴居,多在夜间活动,主食鱼类、水生底栖动物及蛙类。产卵期在11月份至翌年3月份,水温接近0℃,群集于水深约2米的沙底处产卵,卵呈淡黄色,具微粘性,是鳕科鱼类中制造鱼肝油的唯一淡水鱼类,其肝脏大且味美。在产区有季节性较大规模捕捞。分布于西欧、黑海、里海及北冰洋水域,国内见于额尔齐斯河、黑龙江、鸭绿江等水系。
养殖方法与其它鲶鱼一致。但温度控制15-25℃。

 

东方欧鳊(鲤科) 又名:鳊鱼、鳊花


体高,较侧扁。腹鳍后方的腹部有一皮棱。头小,吻钝,口端位,无须。鳃盖膜与峡部相连,咽齿一行。侧线完全。尾鳍深分叉,下叶长于上叶。
生活于河流、湖泊等水流缓慢的水域,以水草、植物种籽及藻类为食。每年
5~6月间在生长有水草的石底质河段产卵。个体较大,具有一定经济价值。
养殖方法:最佳生长温度15-25℃。饲料浮水粒料、冰鲜等。生活特性与广东鲂基本一致。

Eastern 欧鳊 of orientalis( iceberg) of Abramis Brama


High; apartment side. After is a skin 棱 in the stomach's fin there;The small head, short lips, 嘴 is in the appropriate place without a kind of sport apparatus. Branchiostegal thin film use the tooth's a line of plait cheek of ~联 ;Row of complete 侧 department a line. The fin of the tail department is deep into the ground quilt furcation;The above of part compare the lower part place in the ground long.
It live the rivers to is slow with lake to flow out the 流 with ~ , and rely on the ~ to live the seaweed, plant with the seed of the 琼脂. During the period of May arrive in June, and it is in to have no the facial expression river the inside 产 -( egg) Fix, seaweed growth. It has the some and thrifty value consumedly fingerling.
 
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