2002년 하계 여름철 제주도근해 및 동중국해의 어류상

Fishes collected by bottom trawl net in offshore waters of Cheju and East China sea, from summer

This study investigated the species composition of demersal fish caught with bottom trawl from July 3 to 10, 2002 in offshore waters of Cheju and East China Sea. The caught fish was 2 classes 12 orders 36 families 45 species in appeared in sampling period. In these, Percifomes were dominant identified into 15 families, 19 species accounted for 43.18% in the fish fauna and followed by Scorpeniformes (5 families, 8 species). The dominant family was Sciaenidae among 36 families. Among 45 species, dominant identified appeared in the area Trachurus japonicus of the total fishes collected. The diversity index of each stations in the East China Sea, ranged between 2.24~1.7 and the evenness was ranged between 0.92~0.62, lowest in station 5 and 1. The dominance index ranged between 0.37~0.69 highest in station 5.