Water Quality Impact on Fish Behavior: A Review From an Aquaculture Perspective

Kaisheng Zhang, Zhangying Ye, Ming Qi, Wenlong Cai, João L. Saraiva, Yanci Wen, Gang Liu, Ze Zhu, Songming Zhu, Jian Zhao

Research output: Contribution to journalReview articlepeer-review

9 Scopus citations

Abstract

Changes in water quality significantly shape fish behavior, a crucial index reflecting the growth and welfare status of fish. Given the centrality of this relationship to aquaculture practices, a comprehensive understanding of how water quality dynamics influence fish behavior is imperative. While there have been some summaries of the effects of water quality parameters on fish physiology and growth, few reviews on their effects on fish behavior have been reported yet. This article reviews several water quality parameters which are of great concern in aquaculture from multiple facets of actual production, including physical parameters (water temperature and turbidity), chemical parameters (dissolved oxygen, salinity, pH, and inorganic nitrogen), and chemical pollutants (microplastics and crude oil), which have gained increasing attention from the researchers and aquaculture practitioners over the past decades. Variations in these water quality parameters can exert profound effects on fish physiology, metabolism, internal tissues and organs, and sensory perception, which influences fish behaviors such as swimming, schooling, feeding, predation, anti-predation, aggression, courtship, as well as adaptive and stress-related behaviors such as exploration, avoidance response, and anxiety-like behavior. By synthesizing the behavioral changes caused by specific water quality parameters, this review aims to provide strong support for further water quality-related research, thereby fostering environments conducive to both fish welfare and aquaculture productivity.

Original languageEnglish
Article numbere12985
JournalReviews in Aquaculture
Volume17
Issue number1
DOIs
StatePublished - 1 Jan 2025

Keywords

  • aquaculture
  • behavior
  • fish
  • productivity
  • water quality
  • welfare

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology
  • Management, Monitoring, Policy and Law

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