Age and Growth of the Tibetan Catfish Glyptosternum maculatum in the Brahmaputra River, China

作者: Hong-Jing Li , Cong-Xin Xie

DOI:

关键词: Significant differenceCatfishVon bertalanffyBiologyGlyptosternum maculatumPower relationshipVertebraAnimal scienceBody weight

摘要: Hong-jing Li and Cong-xin Xie (2008) Age growth of the Tibetan catfish Glyptosternum maculatum in Brahmaputra River, China. Zoological Studies 47(5): xxx-xxx. was successfully aged using otoliths, opercula, vertebrae. The maximum age obtained from vertebrae 13 yr, while that otoliths opercula 12 yr. determinations showed good agreement with no significant difference among them. index average percentage error for independent readings 2 appraised materials 0.11%, 0.2%, 0.17%, respectively. Relationships between body weight (W) total length (L) are described as follows: W♀ = 5E - 06L 3.142 (for females) W♂ 3.1474 males), both which describe isometric growth. A power relationship (females, a 29.068 v 97.173; males, 13.402 107.88) estimated vertebra radius. von Bertalanffy parameters back-calculated sizes at were L∞ 342.66 mm, k 0.1142/yr, t0 − 0.7488 yr females; L∞= 460.24 0.0882/yr, 0.2312 males. http://zoolstud.sinica.edu.tw/Journals/47.5/xxx.pdf

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