News

New paper out! 🐟🔬

What do we know about the stressors faced by farmed aquatic animals, and where are the gaps in our scientific knowledge?

Our team member Caroline Marques Maia recently co-authored a review study exploring stressors and mitigation strategies across species, life stages, and farming phases, using evidence from the fair-fish database.

🔎 Key findings:
▪️ Handling, crowding, and transport are the most frequently reported stressors.
▪️ Mitigation strategies are reported for much fewer species than stressors.
 ▪️Food supplementation, anesthesia, acclimatization, and shelters are the most investigated stress mitigators.
▪️ Research has focused mainly on juveniles and the rearing phase, leaving other life stages and farming phases underrepresented.

💡 Take-home message: Improving the welfare of farmed aquatic animals requires not only understanding stressors and how to mitigate them, but also identifying knowledge gaps to guide future research and better-informed welfare practices.

📖 Read the full paper here.

(posted on 2026/11/11)

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About us

FishEthoGroup is a team of motivated professionals focused on improving fish welfare based on their behaviours.
We develop scientific and applied actions to reach our goals by promoting research, helping to disseminate knowledge, giving consultancy, and training about fish welfare. 

Want to know more about us? See information below.


Who we are


Who we are

We are a non-profit association bridging the gaps between science and the stakeholders in the aquaculture sector: producers, certifiers, retailers, NGOs, policy makers and consumers. Our goal is to study and improve the welfare of farmed fishes and other aquatic animals by applying ethological scientific knowledge into best practices in fish farming.


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What we stand for


What we stand for

Throughout the years, our team has been involved in many areas of the aquaculture sector, from scientific research to campaigning, from auditing to policy. We use that expertise to promote the welfare of fishes through many initiatives with our partners and collaborators.


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What we do


What we do

We develop science-based solutions to assess and improve the welfare of captive and wild-caught fishes. In our approach, we apply a strong background in aquaculture and ethology to address the welfare of fishes. We use state-of-the-art knowledge on the behaviour of a species to understand how its welfare is affected under farming conditions and what we can do to promote it.


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Need help?

If you are interested in scientific and technical expertise applied to welfare in fish farming, please contact us.

We develop custom-made welfare solutions for your initiatives, as consultancy in farms or other facilities, tailored courses, guidance, certification requirements or systems, specific research studies and welfare protocols (see What we do).

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