【摘要】 2016年10-11月,对南阳市西峡县鱼类资源开展调查。本次调查共收集鱼标本36种,隶属于5目9科30属。其中鲤形目种类最多,占总种数的77.78%,其次是鲇形目和鲈形目,鲇形目占总种数的11.11%,鲈形目占总种数的5.56%,鲑形目和合鳃目各1种,分别占总种数的2.78%。调查结果显示:南阳市西峡县鱼类物种较丰富,群落结构较复杂,鱼类在摄食、繁殖及栖息习性等方面呈现多样化特征。根据鱼类区系复合体学说,南阳市西峡县鱼类资源以江河平原区系复合体种类为主。更多还原

【Abstract】 An investigation on fish resources in Xixia County of Nanyang was carried out from October to November in 2016. A total of 36 fish specimens were collected in this investigation, belonging to 5 orders, 9 families and 30 genera. Cypriniformes was the dominant species in this area, which accounted for 77.78% of the total species, followed by Siluriforms and Perciformes, which accounted for 11.11% and 5.56% respectively. Salmoniformes and Synbranchiformes each had only one species, each accounted for 2.78%. The results indicated that the fish habits and lifestyles were diverse, including the feeding habits, breeding habits and inhabiting behaviors.These fish species could be divided into six fish-fauna complex, and the main species were classified into China Plain Fish Fauna Complex.更多还原