Abstract
The fishes were caught by otter trawl from November, 2007 to October, 2008 in coastal waters off Geomundo. A total of 4,645 fishes were sampled and classified into 76 species, 40 families, and 12 orders. Of the 12 orders, Clupeiformes, Gadiformes, Perciformes accounted for approximately 83.7% of the fishes in this area. Of 76 species identified, Argyrosomus argentatus, Acanthogobius flavimanus, Nuchequula nuchalis, Coelorinchus japonicus, Engraulis japonicus accounted for 54.6% of the fishes collected. The highest number of individuals was found in summer, while the lowest in autumn. The richness index was highest in spring(RI=7.934) and lowest in winter(RI=6.701). The eveness index was highest in spring(E=0.740) and lowest in winter(E=0.690). The diversity index was highest in spring(H’=3.005) and lowest in winter(H’=2.671).
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