星斑川鲽形态特征及相关参数的观测

王波; 孙萍; 方华华; 姜美洁; 徐宗军; 刘振华

星斑川鲽形态特征及相关参数的观测

1.
国家海洋局第一海洋研究所,山东青岛 266061;中国农业科学院研究生院,北京100081
2.
国家海洋局第一海洋研究所,山东青岛 266061
3.
青岛农业大学动物科技学院,山东青岛 266109
4.
日照职业技术学院,山东日照 276826

基金项目: 国家海洋公益性行业科研专项经费项目(200905019);国家农业科技成果转化资金项目(2009-511-208)。

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出版历程
- 收稿日期: 2009-03-13
- 修回日期: 2010-01-28

Morphological characteristics and parameters measurement of starry flounder

1.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061,China;Graduate School, Chinese Academy of Agricultural Sciences,Beijing 100081, China
2.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266061,China
3.
College of Animal Science, Qingdao Agricultural University,Qingdao 266109, China
4.
Rizhao Vocational and Technical College, Rizhao 276826,China

摘要

摘要: 为了给星斑川鲽的分类和种质鉴定提供基础资料,采用传统的形态学和解剖学方法,对人工养殖星斑川鲽的外部形态性状及内部组织器官系统地进行了观测和描述,采用生物统计法对星斑川鲽可量性状进行回归分析。星斑川鲽可量长度性状之间为线性关系,全长与体长回归方程为l_t=1.386 4l_b-0.303 5;体重与可量长度性状之间为乘幂函数关系,体重与体长回归方程为m=0.033 9l_b^{3.060 6}。结果表明不同地方种群间存在明显的形态差异。星斑川鲽的头颅骨骼特征具有鲽形目鱼类的共同特征,在筛骨区和眼区骨骼向有眼侧偏移,尾舌骨呈弓形。左右下咽骨前半部分愈合在一起,下咽齿小;具一对较薄的耳石,有5~6个乳状突。星斑川鲽属"I"型胃,幽门垂有2~4个;解剖的左眼型星斑川鲽肝脏全部在有眼侧,而右眼型星斑川鲽肝脏多在无眼侧,部分在有眼侧。
- 星斑川鲽 /
- 外部形态性状 /
- 内部结构 /
- 形态参数
Abstract: In order to provide basic information for the taxonomy and species identification of starry flounder (Platichthys stellatus), the external morphological characteristics and internal tissue and organ system of cultured starry flounder were described and measured using the traditional methods of morphology and anatomy. Regression analysis of starry floundes measurable morphological parameters was done by bio-statistics, which shows a significant linear correlationship. The equation of total length (l_t) and body length (l_b) was l_t=1.386 4l_b-0.303 5; the relation of body length and body weight(m)presents power function correlation and their general correlation equation was m=0.033 9l_b^{3.060 6}.These results indicate that distinct morphological differences exist between different geographic populations. The skull of Platichthys stellatus has the common characteristic of Pleuronectiformes, especially ethmoidal region and orbital region shifting to the side of eyes, urohyal bone is bow shape. The front half part of hypopharyngeal is grown together, pharyngeal tooth is small; there are a pair of thin otolith with 5~6 processus mammillaris. Platichthys stellatus has a stomach with "I" shape, 2~4 pyloric caecums. The liver lies on the side of eyes in the left-eyed Platichthys stellatus. On the contrary, the liver lies on the blind side in the right-eyed ones.
- Platichthys stellatus Pallas /
- external morphological characteristics /
- internal structure /
- morphological parameters

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