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Marine Ecology Progress Series

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MEPS 699:135-151 (2022)  -  DOI:

Two-way habitat use between reefs and open ocean in adult greater amberjack: evidence from biologging data

Kazuki Tone1,*, Wei-Chuan Chiang2, Hsin-Ming Yeh3, Sheng-Tai Hsiao3, Chun-Huei Li3, Kazuyoshi Komeyama4, Kensuke Kudo5, Takamasa Hasegawa5,6, Takashi Sakamoto7, Itsumi Nakamura1, Yoshitaka Sakakura5, Ryo Kawabe1,5

1Institute for East China Sea Research, Organization for Marine Science and Technology, Nagasaki University, 1551-7 Taira-machi, Nagasaki 851-2213, Japan
2Eastern Marine Biology Research Center, Fisheries Research Institute, Council of Agriculture, 22 Wuchuan Road, Taitung, Chenggong 961, Taiwan
3Fisheries Research Institute, Council of Agriculture, 199 Hou-Ih Road, Keelung 20246, Taiwan
4Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato-cho, Hakodate, Hokkaido 041-8611, Japan
5Graduate School of Fisheries and Environmental Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
6Iki Fisheries Extension Center, Nagasaki Prefecture Iki Development Bureau, 1290 Ishida-cho, Iki, Nagasaki 811-5215, Japan
7Department of Marine Biosciences, Tokyo University of Marine Science and Technology, 4-5-7 Konan, Minato, Tokyo 108-8477, Japan
*Corresponding author:

ABSTRACT: We investigated the relationships between vertical movements and both oceanographic features and physiological factors in greater amberjack Seriola dumerili, which is a reef-associated predator in the East China Sea. S. dumerili in the coastal waters of eastern Taiwan were equipped with archival tags or pop-up satellite archival tags that recorded depth and temperature, resulting in a dataset covering a total of 1331 d from 12 individuals. To classify the vertical movement patterns of S. dumerili, we performed a hierarchical cluster analysis for the depth profile. We observed multiple vertical movement patterns. Around topographic features, S. dumerili showed short-step dives (averaging <35 m) during both the daytime and nighttime. In contrast, S. dumerili in offshore areas showed diel vertical movements. S. dumerili occasionally performed frequent dives to approximately 150 m throughout the day. These movements may be related to foraging behaviors associated with changes in water depth. We further analyzed the response of the peritoneal cavity temperature to variations in the ambient temperature in 7 S. dumerili with archival tags. The peritoneal cavity temperatures fluctuated according to the ambient temperature changes, indicating that the vertical movement of S. dumerili is limited by physiological constraints for the maintenance of body temperature. Together, our results indicate that the vertical movement of S. dumerili may be affected by the trade-off between foraging and thermoregulation.

KEY WORDS: Greater amberjack · Seriola dumerili · Vertical movement pattern · Behavioral thermoregulation · Electronic tagging · East China Sea

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Cite this article as: Tone K, Chiang WC, Yeh HM, Hsiao ST and others (2022) Two-way habitat use between reefs and open ocean in adult greater amberjack: evidence from biologging data. Mar Ecol Prog Ser 699:135-151.

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