Animal category: Fish

Fish Welfare in the Ornamental Trade: Stress Factors, Legislation, and Emerging Initiatives

Maia, C.M., Gauy, A.C.d.S., Gonçalves-de-Freitas, E.

Published in 2025

Review of the trade in ornamental fish, who are exposed to numerous stressors throughout the supply chain, from wild capture or aquaculture to their final destination. Despite the work of some groups, legislative frameworks and welfare standards are still required to improve their living conditions in a sustainable way.

Document Types: Scientific review

Animal categories: Fish

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Precision farming in aquaculture: non-invasive monitoring of Atlantic salmon (Salmo salar) behaviour in response to environmental conditions in commercial sea cages for health and welfare assessment

Burke Meredith, Nikolic Dragana, Fabry Pieter, Rishi Hemang, Telfer Trevor, Rey Planellas Sonia

Published in 2025

Study analyzing the swimming behavior of salmon in captivity using a computer vision algorithm. The results reveal that their vertical distribution varies according to temperature and weather conditions, suggesting directions for the improvement of management and welfare in aquaculture.

Document Types: Scientific paper

Animal categories: Fish

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The Protection of Selectively Bred and Gene Edited Farm Animals under EU Law

Ilaria Cimadori, Alice Di Concetto, Khara Grieger

Published in 2025

Article examining the ethical and regulatory issues surrounding the use of genome-editing technologies in animal breeding, compared with traditional selection methods. It highlights inconsistencies in the current European framework and calls for animal welfare regulation for all selection methods. 

Document Types: Scientific paper

Animal categories:Cattle, Goats, Sheep, Fish, Pigs, Poultry

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L’enrichissement du milieu de vie

Céline Tallet and Violaine Colson

Published in 2025

Article on environmental enrichment in captive animals. Conditions in captivity restrict the satisfaction of animals' physiological and ethological needs. Lack of stimulation and stressful practices can be detrimental to their welfare and affect the quality of scientific research carried out on these animals.

Document Types: Scientific review

Animal categories:Cattle, Goats, Equines, Sheep, Fish, Pigs, Rodents, Poultry

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A Guide on Fish Welfare in Spanish Aquaculture - Volume 4: Welfare of rainbow trout

APROMAR

Published in 2025

Guide published by the Spanish aquaculture industry, describing the best practices to ensure rainbow trout welfare. It proposes specific indicators appropriate to each farming phase, while emphasizing the importance of training, sustainability and a stronger legal framework.

Document Types: Guides to Good Practice

Animal categories: Fish

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Social learning and cultural enrichment for fish welfare

Chiaowen Chiang and Becca Franks

Published in 2024

Opinion piece advocating greater consideration of the socio-cultural complexity of fish to improve their welfare in zoos and aquariums.

Document Types: Scientific paper

Animal categories: Fish

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The Treatment of Farmed Fish under EU Law

Alice Di Concetto, Anatole Poinsot, Wasseem Emam, Carlos Vera

Published in 2025

Summary of European legislation on aquaculture, mainly on farmed fish. Although the public has become aware of the issue of welfare in aquaculture, the European legislators have yet to pass a new law. This article summarizes current EU legislation, including voluntary standards developed in certain countries.

Document types: Regulation/Certification

Animal categories: Fish

Keywords: Societal issues, Breeding and rearing systems

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Machine Vision Applications for Welfare Monitoring in Aquaculture: Challenges and Opportunities

Fitzgerald, A., Ioannou, C.C., Consuegra, S., Dowsey, A. and Garcia de Leaniz, C.

Published in 2025

Review article examining the practical applications of AI for monitoring animal welfare in aquaculture. Detection of diseases, parasites and stress-related behaviors remains limited, not least because of the practical difficulties of observations on commercial farms. Algorithmic advances such as YOLO could improve the accuracy and adaptability of these systems.

Document Types: Scientific review

Animal categories: Fish

Keywords:Adaptation of the animal to the environment, precision farmingIdentification, Welfare indicators, Living environment, Stress, Behavioral disorders

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Assemblée nationale : réponse écrite à la question n°788 : Interpellation sur les soirées illégales de l’Aquarium de Paris

Question: Mrs Danielle Simonnet Paris (15th district) - Écologiste et Social. Answer: Ministry of Ecological Transition, Energy, Climate and Risk Prevention

Published in 2024

Answer to a question from a French Deputy on  illegal party nights at the Paris Aquarium, contrary to the 2021 law banning the presentation of animals in nightclubs. The Ministry's reply states that the Paris Departmental Directorate for the Protection of Populations is investigating the case to ensure that legal requirements are met. 

Document types: Regulation/Certification

Animal categories: Fish

Key words:Abuse, Fear, Stress

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Impact of slaughter method on stress in organic common carp (Cyprinus carpio)

Łosiewicz B, Szudrowicz H.

Published in 2024

Study evaluating the impact of slaughter methods on carp stress, measured via biochemical blood parameters. The method recommended to reduce stress is percussion followed by destruction of the brain.

Document Types: Scientific paper

Animal categories: Fish

Keywords:Animal-based measurement, Consciousness, Pain, Euthanasia, Stress

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