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Tsukuba Business-Academia Cooperation Support Center, Agriculture, Forestry and Fisheries Research Council Secretariat of the Ministry of Agriculture, Forestry and Fisheries, Japan (MAFF) was established in 1978 as Tsukuba Office and has been planning and operating various research facilities for supporting experimental research activities of research agencies, prefectural organizations and universities. The Tsukuba Business-Academia Cooperation Support Center is currently managing two centers, Agriculture, Forestry and Fisheries Research Infor [...]

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Journal Article

Journal Article

Diet composition of the firefly squid, Watasenia scintillans, from Toyama bay, southern Japan sea  [1997]

Hayashi, S. (Toyama-ken. Government Office (Japan)); Hirakawa, K.;

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The diet of the firefly squid, Watasenia scintillans (Berry, 1991), was determined for each developmental stage by stomach content analysis of 345 specimens (dorsal mantle length (DML: 1.2-67mm) collected in Toyama Bay and adjacent waters from November 1987 to July 1995. Diet composition of this species changed from calanoid copepods in the paralarval stage (DML: 4.0-27.0mm) to planktonic crustaceans, such as calanoid copepods, Euphausia pacifica and Themisto japonica, fishes and squids during the subadult (DML: 21-50mm) and adult stage (DML: 38-67mm). Prey items were mostly composed of cold-water species with a lower species diversity which was particularly recognizable in the paralarval stage. The minimum size of prey eaten did not change with the growth of the larvae, whereas the maximum prey size increased remarkably. This characteristic feature is discussed in relation to the size composition and the numerical abundance of zooplankton in Toyama Bay and the feeding habits of ot
From the journal
Bulletin of the Japan Sea National Fisheries Research Institute (Japan)
ISSN : 0021-4620

Bibliographic information

Language:
Japanese
Type:
Summary
In AGRIS since:
2001
Issue:
47
Start Page:
57
End Page:
66
All titles:
"Diet composition of the firefly squid, Watasenia scintillans, from Toyama bay, southern Japan sea"@eng
Other:
"Summary (En)"
"3 tables; 2 fig.; 23 ref"
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Bibliographic information

Language:
Japanese
Type:
Summary
In AGRIS since:
2001
Issue:
47
Start Page:
57
End Page:
66
All titles:
"Diet composition of the firefly squid, Watasenia scintillans, from Toyama bay, southern Japan sea"@eng
Other:
"Summary (En)"
"3 tables; 2 fig.; 23 ref"