Journal of National Fisheries University

PISSN : 0370-9361

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Journal of National Fisheries University Volume 63 Issue 2
published_at 2015-02

Aquatic animals caught by a small beam trawl net from Hibiki-nada Sea off Yamaguchi Prefecture, Japan

山口県響灘における小型底びき網の漁獲物
Doi Hiroyuki
Kushimoto Teppei
Sonoyama Takayuki
Ishibasi Toshiaki
fulltext
1.31 MB
63-2-111-125.pdf
Descriptions
Aquatic animals fished by 37 operations of a small beam trawl net at the Hibiki-nada Sea off Yamaguchi Prefecture, Japan, were surveyed in all seasons from 2002 through 2009. A total of 317 species including 1 chordate, 204 fishes (FS) and 112 invertebrates (IV) were caught. Among them,126 FS and 75 IV were judged as rare (caught in less than 8 operations), 36 FS and 28 IV as occasional(8 to 14 operations), 21 FS and 8 IV as often(15 to 22 operations),16 FS and 1 IV as frequent(23 to 29 operations), and 5 FS and 0 IV as general (more than 29 operations). Sixty-eight FS and 28 IV were caught in all seasons,107 FS and 71IV were in spring,139 FS and 79 IV were in summer,148 FS and 81 IV were in autumn, and 125 FS and 43 IV were in winter. From distributional point of view, 70 FS and 42 IV were subtropical species, 91 FS and 62 IV were temperate region species, and 43 FS and 7 IV were large areal species.
Creator Keywords
trawl fishery
fish
invertebrate
rare species
by-catch
biodiversity