Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering
Online ISSN : 1884-7242
Print ISSN : 1882-2789
ISSN-L : 1882-2789
Technical Papers
Stomach Contents of Cut-tailed Bagrid Catfish (Pseudobagrus tokiensis) Juveniles in a Drain of a Tributary of Kitakami River
Hiroshi TSUNODAMakie DOIMitsuru OHIRAYoshito MITSUOYutaro SENGA
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2011 Volume 79 Issue 6 Pages 465-468

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Abstract

Stomach contents of cut-tailed bagrid catfish (Pseudobagrus tokiensis) juveniles were investigated in a drain of Iwaseki River, Kitakami River system, Iwate prefecture. The samples (n=31) were collected on 29, October, 2009. Aquatic insects were main foods of juveniles of cut-tailed bagrid catfish and it would be related to ecological trait of the species (i.e. benthic fish). Among food species, chironomidae larva were occurred from all of sampled stomachs and accounted for 75.1% of relative abundance of stomach contents. The results of the present study suggested that chironomidae larva would be an important food for juveniles of cut-tailed bagrid catfish.

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© 2011 The Japanese Society of Irrigation, Drainage and Rural Engineering
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