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相关概念视频

Fixed Action Patterns01:06

Fixed Action Patterns

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A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
16.0K
Osmoregulation in Fishes02:32

Osmoregulation in Fishes

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When cells are placed in a hypotonic (low-salt) fluid, they can swell and burst. Meanwhile, cells in a hypertonic solution—with a higher salt concentration—can shrivel and die. How do fish cells avoid these gruesome fates in hypotonic freshwater or hypertonic seawater environments?
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Assessment of two minimally invasive methodologies for sex identification in the European eel, Anguilla anguilla.

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相关实验视频

Updated: Jul 16, 2025

Implantation of a New Micro Acoustic Tag in Juvenile Pacific Lamprey and American Eel
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Implantation of a New Micro Acoustic Tag in Juvenile Pacific Lamprey and American Eel

Published on: March 16, 2019

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鱼类的鱼.

Michael J Williamson1, Charlotte Pike2, Matthew Gollock2

  • 1Institute of Zoology, Zoological Society of London, Outer Circle, Regent's Park, London NW1 4RY, UK; Department of Genetics, Evolution and Environment, University College London, Darwin Building, 99-105 Gower Street, London WC1E 6BT, UK.

Current biology : CB
|September 12, 2023
PubMed
概括
此摘要是机器生成的。

鱼,或淡水,对水生生态系统至关重要,但面临着众多威胁. 进一步的研究对于了解和保护这些独特的鱼至关重要.

更多相关视频

Handling and Treatment of Male European Eels Anguilla anguilla for Hormonal Maturation and Sperm Cryopreservation
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Handling and Treatment of Male European Eels Anguilla anguilla for Hormonal Maturation and Sperm Cryopreservation

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Fish Sperm Assessment Using Software and Cooling Devices
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Fish Sperm Assessment Using Software and Cooling Devices

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相关实验视频

Last Updated: Jul 16, 2025

Implantation of a New Micro Acoustic Tag in Juvenile Pacific Lamprey and American Eel
08:36

Implantation of a New Micro Acoustic Tag in Juvenile Pacific Lamprey and American Eel

Published on: March 16, 2019

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Handling and Treatment of Male European Eels Anguilla anguilla for Hormonal Maturation and Sperm Cryopreservation
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Handling and Treatment of Male European Eels Anguilla anguilla for Hormonal Maturation and Sperm Cryopreservation

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Fish Sperm Assessment Using Software and Cooling Devices
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Fish Sperm Assessment Using Software and Cooling Devices

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科学领域:

  • 鱼类学 鱼类学 鱼类学
  • 保护生物学 保护生物学
  • 生态生态学 生态生态学

背景情况:

  • 鱼 (Anguilla属) 是全球分布的,具有复杂生命周期的可选类鱼类.
  • 尽管它们的名字很常见,但并非所有鱼都生活在淡水环境中.
  • 这些在海洋和淡水系统中发挥着重要的生态和商业作用.

研究的目的:

  • 为了突出人们对鱼生物学的有限理解.
  • 强调鱼的生态和经济重要性.
  • 强调鱼种群面临的威胁和保护的必要性.

主要方法:

  • 审查有关鱼鱼生命史,分布和生态作用的现有文献.
  • 基于危物种红色名单的保护状况分析.
  • 确定影响鱼种群的关键压力因素.

主要成果:

  • 安吉拉有19个物种/亚种,除了太平洋东部和大西洋南部以外,它们在全球范围内存在.
  • 鱼类鱼是可选的catadromous,起源于海洋环境.
  • 由于迁徙障碍,污染,气候变化和过度开发,六种物种被列为危物种,四种物种被列为数据不足物种.

结论:

  • 鱼在生态和商业上有价值,但面临严重威胁.
  • 目前的知识对于有效的保护和管理是不够的.
  • 进一步的研究是必不可少的,以提高对这些危鱼类的理解和实施有针对性的保护战略.