Effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber Apostichopus japonicus
This study used controlled laboratory conditions to directly assess the role of water temperature in controlling diel feeding and locomotion behaviours, and digestive physiology, in the sea cucumber Apostichopus japonicus. The results revealed that both the proportion of feeding individuals and inge...
Published in: | Journal of Experimental Biology |
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Language: | English |
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COMPANY BIOLOGISTS LTD
2018
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Online Access: | http://ir.qdio.ac.cn/handle/337002/163457 https://doi.org/10.1242/jeb.177451 |
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ftchinacasciocas:oai:ir.qdio.ac.cn:337002/163457 2023-05-15T15:59:39+02:00 Effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber Apostichopus japonicus Sun, Jiamin Zhang, Libin Pan, Yang Lin, Chenggang Wang, Fang Yang, Hongsheng 2018-05-01 http://ir.qdio.ac.cn/handle/337002/163457 https://doi.org/10.1242/jeb.177451 英语 eng COMPANY BIOLOGISTS LTD JOURNAL OF EXPERIMENTAL BIOLOGY http://ir.qdio.ac.cn/handle/337002/163457 doi:10.1242/jeb.177451 Apostichopus japonicus Water temperature Feeding Locomotion Digestive enzyme Life Sciences & Biomedicine - Other Topics Biology CUCUMARIA-FRONDOSA ECHINODERMATA SEABREAM SPARUS-AURATA DAILY ACTIVITY RHYTHM ENZYME-ACTIVITY OXYGEN-CONSUMPTION HOLOTHURIA-SCABRA GENE-EXPRESSION DEEP-SEA SELENKA GROWTH 期刊论文 2018 ftchinacasciocas https://doi.org/10.1242/jeb.177451 2022-06-27T05:41:24Z This study used controlled laboratory conditions to directly assess the role of water temperature in controlling diel feeding and locomotion behaviours, and digestive physiology, in the sea cucumber Apostichopus japonicus. The results revealed that both the proportion of feeding individuals and ingestion rate were highest at 16 degrees C. Regardless of water temperature, sea cucumbers appeared to be nocturnal and their peak feeding activity occurred at 00:00 h to 04:00 h. Tentacle insertion rate was not significantly correlated with water temperature (<24 degrees C). In all temperature treatments except 24 degrees C, the proportion of moving sea cucumbers was also observed to be higher at night than during the day. The water temperature above thermal threshold (24 degrees C) for aestivation may alter the diel locomotion rhythm. The highest lipase and amylase activities were both observed at 20 degrees C. The highest activities of lipase and amylase at all temperature treatments were observed at 22:00 h to 02:00 h, which was slightly earlier than the feeding peak. In conclusion, even in total darkness, A. japonicus showed more active feeding and moving activities, and higher digestive enzyme activities, at night than during the day. These results demonstrated that diel feeding and locomotion behaviours, at least in the short term, were not controlled by light or low water temperature (<24 degrees C) but by an endogenous rhythm, and A. japonicus had the ability to optimize the digestive function for the coming feeding peak. These findings should provide valuable information for the development of the aquaculture of this species. Report Cucumaria frondosa Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR Journal of Experimental Biology |
institution |
Open Polar |
collection |
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR |
op_collection_id |
ftchinacasciocas |
language |
English |
topic |
Apostichopus japonicus Water temperature Feeding Locomotion Digestive enzyme Life Sciences & Biomedicine - Other Topics Biology CUCUMARIA-FRONDOSA ECHINODERMATA SEABREAM SPARUS-AURATA DAILY ACTIVITY RHYTHM ENZYME-ACTIVITY OXYGEN-CONSUMPTION HOLOTHURIA-SCABRA GENE-EXPRESSION DEEP-SEA SELENKA GROWTH |
spellingShingle |
Apostichopus japonicus Water temperature Feeding Locomotion Digestive enzyme Life Sciences & Biomedicine - Other Topics Biology CUCUMARIA-FRONDOSA ECHINODERMATA SEABREAM SPARUS-AURATA DAILY ACTIVITY RHYTHM ENZYME-ACTIVITY OXYGEN-CONSUMPTION HOLOTHURIA-SCABRA GENE-EXPRESSION DEEP-SEA SELENKA GROWTH Sun, Jiamin Zhang, Libin Pan, Yang Lin, Chenggang Wang, Fang Yang, Hongsheng Effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber Apostichopus japonicus |
topic_facet |
Apostichopus japonicus Water temperature Feeding Locomotion Digestive enzyme Life Sciences & Biomedicine - Other Topics Biology CUCUMARIA-FRONDOSA ECHINODERMATA SEABREAM SPARUS-AURATA DAILY ACTIVITY RHYTHM ENZYME-ACTIVITY OXYGEN-CONSUMPTION HOLOTHURIA-SCABRA GENE-EXPRESSION DEEP-SEA SELENKA GROWTH |
description |
This study used controlled laboratory conditions to directly assess the role of water temperature in controlling diel feeding and locomotion behaviours, and digestive physiology, in the sea cucumber Apostichopus japonicus. The results revealed that both the proportion of feeding individuals and ingestion rate were highest at 16 degrees C. Regardless of water temperature, sea cucumbers appeared to be nocturnal and their peak feeding activity occurred at 00:00 h to 04:00 h. Tentacle insertion rate was not significantly correlated with water temperature (<24 degrees C). In all temperature treatments except 24 degrees C, the proportion of moving sea cucumbers was also observed to be higher at night than during the day. The water temperature above thermal threshold (24 degrees C) for aestivation may alter the diel locomotion rhythm. The highest lipase and amylase activities were both observed at 20 degrees C. The highest activities of lipase and amylase at all temperature treatments were observed at 22:00 h to 02:00 h, which was slightly earlier than the feeding peak. In conclusion, even in total darkness, A. japonicus showed more active feeding and moving activities, and higher digestive enzyme activities, at night than during the day. These results demonstrated that diel feeding and locomotion behaviours, at least in the short term, were not controlled by light or low water temperature (<24 degrees C) but by an endogenous rhythm, and A. japonicus had the ability to optimize the digestive function for the coming feeding peak. These findings should provide valuable information for the development of the aquaculture of this species. |
format |
Report |
author |
Sun, Jiamin Zhang, Libin Pan, Yang Lin, Chenggang Wang, Fang Yang, Hongsheng |
author_facet |
Sun, Jiamin Zhang, Libin Pan, Yang Lin, Chenggang Wang, Fang Yang, Hongsheng |
author_sort |
Sun, Jiamin |
title |
Effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber Apostichopus japonicus |
title_short |
Effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber Apostichopus japonicus |
title_full |
Effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber Apostichopus japonicus |
title_fullStr |
Effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber Apostichopus japonicus |
title_full_unstemmed |
Effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber Apostichopus japonicus |
title_sort |
effect of water temperature on diel feeding, locomotion behaviour and digestive physiology in the sea cucumber apostichopus japonicus |
publisher |
COMPANY BIOLOGISTS LTD |
publishDate |
2018 |
url |
http://ir.qdio.ac.cn/handle/337002/163457 https://doi.org/10.1242/jeb.177451 |
genre |
Cucumaria frondosa |
genre_facet |
Cucumaria frondosa |
op_relation |
JOURNAL OF EXPERIMENTAL BIOLOGY http://ir.qdio.ac.cn/handle/337002/163457 doi:10.1242/jeb.177451 |
op_doi |
https://doi.org/10.1242/jeb.177451 |
container_title |
Journal of Experimental Biology |
_version_ |
1766395579561148416 |