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1998年3~5月和1999年5~6月,采用手钓、延绳钓和刺网3种作业方式在西沙的浪花礁、华光礁、琛航岛、永兴岛、北礁和南沙的渚碧礁、南薰礁、东门礁、美济礁、赤瓜礁、永署礁、华阳礁等12座珊瑚礁水域进行了2个航次的鱼类资源调查,捕获科鱼类6属25种,渔获量计942尾256.4kg;其中在南沙调查区捕获6属22种,共641尾205.5kg,优势种依次为尾纹九棘鲈、蜂巢石斑鱼、六角石斑鱼、黑边石斑鱼;在西沙调查区捕获6属14种,共301尾50.9kg,优势种依次为尾纹九棘鲈、六角石斑鱼、黑边石斑鱼、蜂巢石斑鱼,同时分析了主要种类尾纹九棘鲈、六角石斑鱼和蜂巢石斑鱼的生物学特征。
From March to May of 1998 and from May to June of 1999, three types of operation, including hand fishing, longline fishing and gill nets, were carried out at the spray reefs, huaguang reefs, tsingshang island, Yongxing island, Beijiao and Nansha islands in Xisha Of the two coral reef waters such as Zhubi Reef, Nanxun Reef, Dongmen Reef, Meijiao Reef, Chonggu Reef, Yongfu Reef and Huayang Reef were surveyed for 2 voyages to capture the fishes Which belong to 25 species and the catches of 942 are 256.4kg. Among them, 22 species belonging to 6 genera and 205.5kg in total are collected in Nansha survey area, and the dominant species are in sequence: Nine-necked perch, Homing grouper, Hexagonal grouper, Black-faced groupers; 14 species of 6 genera and 50.9 kg of 30 species were captured in the Xisha survey area. The dominant species were, in sequence, nine-necked perch, hexagonal grouper, black-necked grouper and hive grouper The biological characteristics of the main species Nine-necked perch, Hexagonal grouper and Hive grouper were studied.