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Plasticity of Locomotor Activity Permits Energy Homeostasis During Reproduction in a Female Sea Cucumber
Ru, Xiaoshang1,2,3,4,5; Zhang, Libin1,2,3,4,5; Yang, Hongsheng1,2,3,4,5,6
2021-10-22
Source PublicationFRONTIERS IN MARINE SCIENCE
Volume8Pages:9
Corresponding AuthorZhang, Libin(zhanglibin@qdio.ac.cn)
AbstractBehavioral plasticity in animals allows for moment-by-moment behavioral adjustments to biotic and abiotic uncertainties in the environment. For most aquatic animals, reproduction involves gonadal development and other physiological changes, causing increasing demands in nutrients and energy for females. The aim of this report was to determine how the female sea cucumber, Apostichopus japonicus, accommodates increasing energy demands during reproduction by adopting a behavioral energy conservation strategy. Dynamic changes in feeding activity, total body mass, locomotor activity, energetic condition, and metabolic performance of the females were measured from the non-breeding stage up to the mature stage. Routine metabolic rate analysis showed that reproduction caused a significant increase in energy demands in the adult. However, reproduction also suppressed the appetite of adults resulting in decreased energy intake. Interestingly, combining time-lapse camera and behavioral analysis software, the results showed that sea cucumbers down-regulated their locomotor activities in order to conserve energy effectively. Energy budget analysis and unchanged cortisol level revealed that the reduction in motility offset the increased energy demand for reproduction while helping to maintain energy homeostasis in the maternal body. Altogether, our study suggests that plasticity in the locomotor behavior allows sea cucumbers to cope with the high energy demands of reproduction.

Keywordsea cucumber behavioral plasticity energetic physiology energy homeostasis reproduction
DOI10.3389/fmars.2021.748571
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41906079] ; National Natural Science Foundation of China[41876157] ; Scientific Research and Technological Development Program of Fangchenggang[AB20014021] ; International Partners Program of the Chinese Academy of Sciences[133137KYSB20180069]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000716511900001
PublisherFRONTIERS MEDIA SA
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/177204
Collection海洋生态与环境科学重点实验室
Corresponding AuthorZhang, Libin
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, CAS Engn Lab Marine Ranching, Qingdao, Peoples R China
5.Shandong Prov Key Lab Expt Marine Biol, Qingdao, Peoples R China
6.Chinese Acad Sci, Innovat Seed Design, Wuhan, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ru, Xiaoshang,Zhang, Libin,Yang, Hongsheng. Plasticity of Locomotor Activity Permits Energy Homeostasis During Reproduction in a Female Sea Cucumber[J]. FRONTIERS IN MARINE SCIENCE,2021,8:9.
APA Ru, Xiaoshang,Zhang, Libin,&Yang, Hongsheng.(2021).Plasticity of Locomotor Activity Permits Energy Homeostasis During Reproduction in a Female Sea Cucumber.FRONTIERS IN MARINE SCIENCE,8,9.
MLA Ru, Xiaoshang,et al."Plasticity of Locomotor Activity Permits Energy Homeostasis During Reproduction in a Female Sea Cucumber".FRONTIERS IN MARINE SCIENCE 8(2021):9.
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