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题名: Biology of the Siamese algae-eater Abbotina rivulatis in Panzhihua Reach, Jinshajiang River
作者: Zhou Can ; Zhu Qian ; Cheng Peng ; Xiong Yu-Yu ; Tan De-Qing (dqtan@ihb.ac.cn)
通讯作者: Tan De-Qing ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Zoologica Sinica
发表日期: 2008
卷: 54, 期:2, 页:218-224
收录类别: 其他
英文摘要: This paper deals with the biology of the Siamese algae-eater Abbotina rivularis (Basilewsky) in Panzhihua Reach, Jinshajiang River. Its production of the total catch was 7.68%; the average occurrence in the set gill nets was 93.1%. Body length ranged from 49 mm to 94 mat (mean=66.88 +/- 8.11 mm). There was a significant sex difference in lengths of these fish. The curve estimation between the body length and the body weight is W = 4 x 10(-5) L-2.8499 (R-2 = 0.8614). The analysis of age composition indicates 1.22% of the fish are less than I year old, 82.93% of the fish are I year old and 15.85% of the fish are 2 years old. The correlation between the scale radius and the body length is significant and the males have a stronger linear regression relationship than females. The reproductive period starts at the end of March. Absolute fecundity ranged from 737 to 4516 (eggs) with the mean value 1744 +/- 753 (eggs); and its relative fecundity ranged from 180 to 597 (eggs/body weight) with the mean value 295 +/- 87 (eggs/body weight). Egg diameters ranged from 0.28 mm to 1.24 mm, with a mean value 0.75 +/- 0.25 mm. The distribution has two peaks. Based on our observations we conclude that Abbotina rivularis is a single spawner.
ISSN号: 0001-7302
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18775
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
Zhou Can; Zhu Qian; Cheng Peng; Xiong Yu-Yu; Tan De-Qing (dqtan@ihb.ac.cn).Biology of the Siamese algae-eater Abbotina rivulatis in Panzhihua Reach, Jinshajiang River,Acta Zoologica Sinica,2008,54(2):218-224
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