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An update on captive cetacean welfare.

Lori Marino1,2, Catherine Doyle3, Heather Rally4

  • 1Whale Sanctuary Project, Washington, DC, United States of America.

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|November 5, 2025
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Summary
This summary is machine-generated.

Captive cetacean welfare faces significant challenges due to confinement. Despite improvements, issues in space, social factors, and health persist, raising ethical concerns for dolphins, whales, and porpoises.

Keywords:
AquariumCaptivityCetaceanDolphinMarine parkWelfareWhaleZoo

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Area of Science:

  • Marine Mammal Science
  • Animal Welfare Science
  • Conservation Biology

Background:

  • Captivity poses unique challenges for cetaceans (dolphins, whales, porpoises) due to their complex needs.
  • Increasing attention is focused on the welfare of these intelligent, wide-ranging, and social animals in human care.

Purpose of the Study:

  • To provide a comprehensive overview of the current state of captive cetacean welfare.
  • To examine challenges, improvements, and consequences of confinement for captive cetaceans.

Main Methods:

  • Review of current captive facilities and conditions.
  • Analysis of quantitative and qualitative aspects of captive environments.
  • Examination of clinical, behavioral, and neural consequences of confinement.

Main Results:

  • Persistent welfare issues identified in captive cetacean environments.
  • Challenges include inadequate space, compromised sociocognitive factors, and feeding concerns.
  • Negative impacts observed in physical health, reproduction, lifespan, and increased stereotypies.

Conclusions:

  • Significant welfare challenges persist for captive cetaceans despite some facility improvements.
  • The restrictive nature of captivity contrasts sharply with cetaceans' natural environments.
  • Critical ethical concerns remain regarding the well-being of dolphins, whales, and porpoises in captivity.