西沙鳅的发情期并非仅由水温升高引发

IF 0.9 4区生物学 Q4 BEHAVIORAL SCIENCES

Journal of Ethology Pub Date : 2024-02-04 DOI:10.1007/s10164-023-00805-1

Shizuha Hibino, Noriko Amiya, Nayu Nakano, Ryouta Takakura, Masafumi Amano, Tatsuki Yoshinaga

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引用次数: 0

摘要

西沙鳅（Ammodytes japonicus）在夏季表现出休眠，被称为 "estivation"，这是一种独特的远洋鱼类生态学。动情从初夏开始，一直持续到冬季，即使水温低于启动阈值。在本研究中，我们考察了在14-25 °C转换或12 °C恒定两种实验条件下饲养的西沙鳅的发情期。我们的观察结果表明，除水温过高或波动外，诱发该物种发情的还有其内在的环流节律。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Onset of estivation in western sand lance Ammodytes japonicus is not solely triggered by elevating water temperature

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Onset of estivation in western sand lance Ammodytes japonicus is not solely triggered by elevating water temperature

Western sand lance Ammodytes japonicus exhibits dormancy in summer known as estivation, a distinctive ecology among teleosts. Estivation starts in early summer and continues until winter even water temperature lowered than the initiation threshold. In this study, we examined the onset of estivation in western sand lance reared under two experimental conditions of 14–25 °C-shift or 12 °C-constant. Our observations revealed that estivation in this species can be induced by intrinsic circannual rhythms other than either high or fluctuating water temperatures.

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来源期刊

Journal of Ethology 生物-动物学

CiteScore

2.00

自引率

11.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal of Ethology features reviews and original papers relating to all aspects of animal behavior, including traditional ethology. Papers on field, laboratory, or theoretical studies are welcomed. In contrast to many other ethological journals that prefer studies testing explicit hypotheses, the Journal of Ethology is interested both in observational studies and in experimental studies. However, the authors of observational studies are always requested to provide background information about behaviors in their study and an appropriate context to establish the scientiﬁc importance of their observation, which in turn produces fascinating hypotheses to explain the behaviors.