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Size-dependent predation of fish larvae by jellyfish: an experimental evaluation exemplified with the flounder Paralichthys olivaceus larvae and the moon jellyfish Aurelia aurita medusae
Cao, Liang1; Liu, Jinhu1; Yu, Xin1,2; Zhao, Bo1,2; Shan, Xiujuan3; Zhuang, Zhimeng3; Dou, Shuozeng1
2015-07-01
Source PublicationHYDROBIOLOGIA
Volume754Issue:1Pages:135-146
SubtypeArticle
AbstractThis study evaluates the size-dependent predation of fish larvae by jellyfish, exemplified with flounder Paralichthys olivaceus and moon jellyfish Aurelia aurita under laboratory conditions. The effects of some environmental factors on the size-dependent predation were also investigated. The results indicate that the predation rate increased with larval development, until the larvae had developed the ability to actively avoid predation at approximately 11-day post-hatching and decreased thereafter. This suggests a size-dependent predation on the fish larvae. Water temperature and predator size significantly affected the predation rate of the medusae on the fish larvae, but the temperature and size effects were markedly reduced as the larvae reached post-larval stage. These findings suggest that water temperature and jellyfish size interacted with the ontogenetic development of the fish larvae to affect the predation rates. The presence of alternative prey Artemia salina, could alleviate the predation rate on the fish larvae, whereas light conditions showed no effects on the predation rate. Due to their overlaps in spatial and temporal distributions along the north Chinese coast, jellyfish are likely to prey upon flounder larvae and thus affect the recruitment of the wild fish populations.
KeywordMoon Jellyfish Larval Ontogeny Predation Temperature Light Regime Predator Size
DOI10.1007/s10750-014-1984-4
Indexed BySCI
Language英语
WOS IDWOS:000355625400011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/33064
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Cao, Liang,Liu, Jinhu,Yu, Xin,et al. Size-dependent predation of fish larvae by jellyfish: an experimental evaluation exemplified with the flounder Paralichthys olivaceus larvae and the moon jellyfish Aurelia aurita medusae[J]. HYDROBIOLOGIA,2015,754(1):135-146.
APA Cao, Liang.,Liu, Jinhu.,Yu, Xin.,Zhao, Bo.,Shan, Xiujuan.,...&Dou, Shuozeng.(2015).Size-dependent predation of fish larvae by jellyfish: an experimental evaluation exemplified with the flounder Paralichthys olivaceus larvae and the moon jellyfish Aurelia aurita medusae.HYDROBIOLOGIA,754(1),135-146.
MLA Cao, Liang,et al."Size-dependent predation of fish larvae by jellyfish: an experimental evaluation exemplified with the flounder Paralichthys olivaceus larvae and the moon jellyfish Aurelia aurita medusae".HYDROBIOLOGIA 754.1(2015):135-146.
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