闽南渔场蟹笼作业渔获组成和主要种类

2010年1-12月(休渔除外)在闽南海区蟹笼作业渔船上每月采样一次,分析样品10批,累计重量111.37kg。对该渔获进行种类鉴定、组成分析,结果表明:渔获物中共出现72个种,其中鱼类40种、蟹类23种、口足类3种、头足类3种、螺类2种、虾类1种;重量比例为蟹类占45.80%、鱼类占44.46%、口足类占6.47%、头足类占3.11%、螺类占0.12%、虾类0.04%。主要优势种为叫姑鱼(Johnius belengerii)、红星梭子蟹(Portunus sanguinolentus)、口虾蛄(Oratosquilla oratoria)、日本(Charybdis japonica)。

Composition of catch and main species by crab pot fishery in Minnan fishing ground

10 batches of catch samples（the total weight was 111.37 kg）,were collected from crab pot fishery from January to December（except forbidden fishing season） in 2010 in Minnan fishing ground. By species identification and catch sample analysis,the results showed that the total species of catches were 72 kinds,including 40 kinds of fishes,23 kinds of crabs,3 kinds of squillas,3 kinds of cephalopods,2 kinds of snails and one kind of shrimp.Based on the weight proportion analyzing,crabs accounted for 45.80 percentages,fishes 44.46 percentages,squillas 6.47 percentages,cephalopod 3.11 percentages,snails 0.12 percentages and shrimps 0.04 percentages.The main dominant species were Johnius belengerii,Portunus sanguinolentus,Oratosquilla oratoria and Charybdis japonica.