山口県響灘における小型底びき網の漁獲物

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

Creators Doi Hiroyuki

Creators Kushimoto Teppei

Creators Sonoyama Takayuki

Creators Ishibasi Toshiaki

Creators Sakai Harumi

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.

[ISSN]0370-9361