信阳鱼类资源调查

通过调查研究发现，河南省信阳鱼类共有8目15科52属75种，鲤形目鱼类最多，共54种，占总数的72％，其中鲤科为51种；鲇形目为8种，占总数的10.7%；鲈形目有7种，占总数的9.3%；其余各目共6种，占总数的8％，信阳鱼类可划分为江河平原复合体、古代第三纪复合体、印度平原复合体、中印山区复合体、南方热带复合体、北方山区复合体和海水区系复合体。

The resource investigation of fish of Xinyang and district analysis

It is discoved through the investigation that the fish of Xinyang of Henan Province have 75 species and 52 genus in 8 orders and 15 families. Crprinifomes'fish amounts to 54 species, accounting for 72% of the total amount. Among them Cyprinidae as 51 spcies, there are 8 species of Siuriformes accounting for 10.7% of the total amount; Perciforme have 7 species accounting for 9.3% of the total amount; Other orders amounts to 8% which account for the total amount of 6 species. The fish of Xinyang can be divided into the rivers and plain compound body, Ancient Tertiary Period compound body, India plain compound body, Sino India mountain area compound body, southern tropical zone compound body, north mountain area compound body and sea water district compound body.