作　　者： ;

机构地区： 信阳师范学院生命科学学院

出　　处： 《信阳师范学院学报（自然科学版）》 2003年第4期449-450,491,共3页

摘　　要： 调查发现猫儿山保护区内有淡水鱼类共23种,隶属3目8科18属.从食性上分,植食性占34.8,肉食性占21.7,杂食性占43.5;从栖息环境上分,上层占4.3,中层占25.8,下层占69.9.其分布特性与其栖息环境是密切相关的. species freshwater fishes were found in Maoer mountam nature reserve in this survey.They are belong to 3 orders,8 families,18 genera,among which there are 34.8% herbivore,21.7% carnivore and 43.5% omnivorous.According to environments of their habitats,4.3% dwells above,25.8% intermediate and 69.9% below.It was found that the distribution characteristics of above mentioned fresh water fish are related to the environment of the habitat.

关 键 词： 淡水鱼类 食性 栖境 猫儿山

领　　域： [生物学]