Feeding habits of the Chinese minnow Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874) from the upper Yangtze River, China
Summary The feeding habits of the Chinese minnow, Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874), were investigated in the Laohegou River, a tributary of the upper Yangtze River, China. A total of 412 specimens were collected by electrofishing in four seasons of 2012, 7 days per...
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| Veröffentlicht in: | Journal of applied ichthyology 2018-06, Vol.34 (3), p.550-555 |
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| container_title | Journal of applied ichthyology |
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| creator | Lei, J. Xiong, W. Sui, X.‐Y. Chen, Y. F. |
| description | Summary
The feeding habits of the Chinese minnow, Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874), were investigated in the Laohegou River, a tributary of the upper Yangtze River, China. A total of 412 specimens were collected by electrofishing in four seasons of 2012, 7 days per season. Diet composition was analyzed according to season, size classes and sex. The Chinese minnow is a generalist omnivorous species, whose diet consists of aquatic insects and plants. Besides algae, Hemiptera, Ephemerida, Trichoptera, Odonata, Diptera were the most dominat food items. The Shannon‐Wiener index on diet items showed no significant differences between major food items (p > .05) or between seasons, size classes and sexes. In contrast, fullness index and dietary breadth analysis both indicated significant diet changes between seasons. Consequently, this study provides information on feeding habits of R. oxycephalus, which may be useful in cultivation trials. |
| doi_str_mv | 10.1111/jai.13597 |
| format | Article |
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The feeding habits of the Chinese minnow, Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874), were investigated in the Laohegou River, a tributary of the upper Yangtze River, China. A total of 412 specimens were collected by electrofishing in four seasons of 2012, 7 days per season. Diet composition was analyzed according to season, size classes and sex. The Chinese minnow is a generalist omnivorous species, whose diet consists of aquatic insects and plants. Besides algae, Hemiptera, Ephemerida, Trichoptera, Odonata, Diptera were the most dominat food items. The Shannon‐Wiener index on diet items showed no significant differences between major food items (p > .05) or between seasons, size classes and sexes. In contrast, fullness index and dietary breadth analysis both indicated significant diet changes between seasons. Consequently, this study provides information on feeding habits of R. oxycephalus, which may be useful in cultivation trials.</description><identifier>ISSN: 0175-8659</identifier><identifier>EISSN: 1439-0426</identifier><identifier>DOI: 10.1111/jai.13597</identifier><language>eng</language><publisher>Berlin: Wiley Subscription Services, Inc</publisher><subject>Algae ; Aquatic insects ; Aquatic plants ; Composition ; Cultivation ; Diet ; Electric fishing ; Feeding ; Food ; Foods ; Freshwater fishes ; Habits ; Insects ; Rhynchocypris oxycephalus ; Rivers ; Seasons</subject><ispartof>Journal of applied ichthyology, 2018-06, Vol.34 (3), p.550-555</ispartof><rights>2018 Blackwell Verlag GmbH</rights><rights>Copyright © 2018 Blackwell Verlag GmbH</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3327-afc974f9ef178a6ee2a5274354ea2ffda22fc7bb4e14d45b92471ec41a84edef3</citedby><cites>FETCH-LOGICAL-c3327-afc974f9ef178a6ee2a5274354ea2ffda22fc7bb4e14d45b92471ec41a84edef3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjai.13597$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjai.13597$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,778,782,1414,27907,27908,45557,45558</link.rule.ids></links><search><creatorcontrib>Lei, J.</creatorcontrib><creatorcontrib>Xiong, W.</creatorcontrib><creatorcontrib>Sui, X.‐Y.</creatorcontrib><creatorcontrib>Chen, Y. F.</creatorcontrib><title>Feeding habits of the Chinese minnow Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874) from the upper Yangtze River, China</title><title>Journal of applied ichthyology</title><description>Summary
The feeding habits of the Chinese minnow, Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874), were investigated in the Laohegou River, a tributary of the upper Yangtze River, China. A total of 412 specimens were collected by electrofishing in four seasons of 2012, 7 days per season. Diet composition was analyzed according to season, size classes and sex. The Chinese minnow is a generalist omnivorous species, whose diet consists of aquatic insects and plants. Besides algae, Hemiptera, Ephemerida, Trichoptera, Odonata, Diptera were the most dominat food items. The Shannon‐Wiener index on diet items showed no significant differences between major food items (p > .05) or between seasons, size classes and sexes. In contrast, fullness index and dietary breadth analysis both indicated significant diet changes between seasons. Consequently, this study provides information on feeding habits of R. oxycephalus, which may be useful in cultivation trials.</description><subject>Algae</subject><subject>Aquatic insects</subject><subject>Aquatic plants</subject><subject>Composition</subject><subject>Cultivation</subject><subject>Diet</subject><subject>Electric fishing</subject><subject>Feeding</subject><subject>Food</subject><subject>Foods</subject><subject>Freshwater fishes</subject><subject>Habits</subject><subject>Insects</subject><subject>Rhynchocypris oxycephalus</subject><subject>Rivers</subject><subject>Seasons</subject><issn>0175-8659</issn><issn>1439-0426</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kFtLw0AQhRdRsF4e_AcLglgwNntJNnks1XpBELQ--BQmyWyzpU3ibqLGP-DfNja-OjDMyzfncA4hJ8y_ZP1MVmAumQhitUNGTIrY8yUPd8nIZyrwojCI98mBcyvf9yMVhyPyPUfMTbmkBaSmcbTStCmQzgpTokO6MWVZfdCnoiuzosq62pqe-ewyrAtYt46eP0P7DkukZ_QKUtvRHOmiMGgdlM0FZZGSY6pttdnKtnWNlr5CuWy-kD6Zd7QXWy84Insa1g6P_-4heZlfL2a33sPjzd1s-uBlQnDlgc5iJXWMmqkIQkQOAVdSBBKBa50D5zpTaSqRyVwGacylYphJBpHEHLU4JKeDbm2rtxZdk6yq1pa9ZcJ9IVS_geip8UBltnLOok764BuwXcL85LfnpO852fbcs5OB_TBr7P4Hk_vp3fDxA3RIf5E</recordid><startdate>201806</startdate><enddate>201806</enddate><creator>Lei, J.</creator><creator>Xiong, W.</creator><creator>Sui, X.‐Y.</creator><creator>Chen, Y. F.</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7TN</scope><scope>7U7</scope><scope>C1K</scope><scope>F1W</scope></search><sort><creationdate>201806</creationdate><title>Feeding habits of the Chinese minnow Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874) from the upper Yangtze River, China</title><author>Lei, J. ; Xiong, W. ; Sui, X.‐Y. ; Chen, Y. F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3327-afc974f9ef178a6ee2a5274354ea2ffda22fc7bb4e14d45b92471ec41a84edef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Algae</topic><topic>Aquatic insects</topic><topic>Aquatic plants</topic><topic>Composition</topic><topic>Cultivation</topic><topic>Diet</topic><topic>Electric fishing</topic><topic>Feeding</topic><topic>Food</topic><topic>Foods</topic><topic>Freshwater fishes</topic><topic>Habits</topic><topic>Insects</topic><topic>Rhynchocypris oxycephalus</topic><topic>Rivers</topic><topic>Seasons</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lei, J.</creatorcontrib><creatorcontrib>Xiong, W.</creatorcontrib><creatorcontrib>Sui, X.‐Y.</creatorcontrib><creatorcontrib>Chen, Y. F.</creatorcontrib><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><jtitle>Journal of applied ichthyology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lei, J.</au><au>Xiong, W.</au><au>Sui, X.‐Y.</au><au>Chen, Y. F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Feeding habits of the Chinese minnow Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874) from the upper Yangtze River, China</atitle><jtitle>Journal of applied ichthyology</jtitle><date>2018-06</date><risdate>2018</risdate><volume>34</volume><issue>3</issue><spage>550</spage><epage>555</epage><pages>550-555</pages><issn>0175-8659</issn><eissn>1439-0426</eissn><abstract>Summary
The feeding habits of the Chinese minnow, Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874), were investigated in the Laohegou River, a tributary of the upper Yangtze River, China. A total of 412 specimens were collected by electrofishing in four seasons of 2012, 7 days per season. Diet composition was analyzed according to season, size classes and sex. The Chinese minnow is a generalist omnivorous species, whose diet consists of aquatic insects and plants. Besides algae, Hemiptera, Ephemerida, Trichoptera, Odonata, Diptera were the most dominat food items. The Shannon‐Wiener index on diet items showed no significant differences between major food items (p > .05) or between seasons, size classes and sexes. In contrast, fullness index and dietary breadth analysis both indicated significant diet changes between seasons. Consequently, this study provides information on feeding habits of R. oxycephalus, which may be useful in cultivation trials.</abstract><cop>Berlin</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/jai.13597</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Algae Aquatic insects Aquatic plants Composition Cultivation Diet Electric fishing Feeding Food Foods Freshwater fishes Habits Insects Rhynchocypris oxycephalus Rivers Seasons |
| title | Feeding habits of the Chinese minnow Rhynchocypris oxycephalus (Sauvage & Dabry de Thiersant, 1874) from the upper Yangtze River, China |
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