Effects of prey color, wall color and water color on food ingestion of larval orange-spotted grouper Epinephelus coioides (Hamilton, 1822)
文献类型： 外文期刊
作者： Zhang, Jiasong 1 ; Guo, Huayang 1 ; Ma, Zhenhua 1 ; Jiang, Shigui 1 ; Wu, Kaichang 1 ; Li, Youning 1 ; Qin, Jian G. 3 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China
2.Minist Agr, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Guangdong, Peoples R China
3.Flinders Univ S Australia, Sch Biol Sci, Adelaide, SA 5001, Australia
关键词： Rotifer color;Wall color;Water color;Food ingestion;Orange-spotted grouper Epinephelus coioides
期刊名称：AQUACULTURE INTERNATIONAL （ 影响因子：2.235； 五年影响因子：2.616 ）
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收录情况： SCI
摘要： Effects of prey color, wall color and water color on the food ingestion of orange-spotted grouper Epinephelus coioides larvae were studied under a laboratory condition. The food ingestion of fish larvae was significantly affected by wall color. The highest food ingestion was observed when fish were stocked in white containers, while the lowest food ingestion occurred in black containers. Fish larvae ingested significantly more green-stained rotifers than red- and purple-stained rotifers. Furthermore, the number of rotifers ingested by fish in Nannochloropsis-colored rotifers was significantly higher than fish ingesting artificially stained green rotifers. This study indicates that orange-spotted grouper larvae prefer green food particle and ingest more food in white containers. Nanochloropsis is a suitable additive in the tank to produce green rotifers that are preferred by fish larvae.
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