论文部分内容阅读
概述罗非鱼隶属鲈形目鲡鱼科罗非鱼属。1915年 G.A.Boulenger 对罗非鱼属中的94种罗非鱼,编制了分类检索表,其中常见的养殖种类约20种,现列表如后。其中尼罗罗非鱼、莫桑比克罗非鱼、黑边罗非鱼、黑罗非鱼、奥利亚罗非鱼、吉利罗非鱼是主要的养殖种类。从食性上划分,罗非鱼可归纳为以下两类:1.草食性(包括食大型植物)种类。主要有黑边罗非鱼、吉利罗非鱼和索龙尼罗非鱼等。这些种类繁殖力强,不行口育,鳃耙较少;2.食微粒和杂食性种类。主要有尼罗罗非鱼、莫桑比克罗非鱼、黑罗非鱼和巨鳍罗非鱼等。这些种类繁殖力稍低,行口育,鳃耙较多。
Overview Tilapia is a member of the genus Perciformes. 1915 G.A.Boulenger of tilapia genus 94 kinds of tilapia, compiled a classification search form, of which about 20 species of common breeding, the list is as follows. Among them, Nile tilapia, Mozambique tilapia, Black tilapia, black tilapia, Oreochromis aureus and Gili tilapia are the main cultured species. Divided from the diet, tilapia can be grouped into the following two categories: 1. Herbivorous (including large-scale plant species). Mainly black-tilapia, Geely tilapia and Sorrento tilapia. These kinds of fertility, not oral education, less gill rake; 2. Food particles and omnivorous species. Mainly Nile tilapia, Mozambique tilapia, black tilapia and giant fin tilapia. Slightly lower fertility of these species, line oral education, gill rakers more.