1. Lumpfish Welfare Watcher
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Lumpfish Welfare e-learning

Online course on Lumpfish welfare

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BMI Calculator

Calculates Lumpfish Body
Mass Index (BMI)

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Rapid Welfare Assessment Tool

Calculates the Lumpfish Operational Welfare Score Index (LOWSI)

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  • Download Desktop Version
  • User Manual
  • Welfare Chart
  • References
  • Cite
  • Reviews
  • Acknowledgements
@Copyright 2025, Swansea University is a registered charity, No. 1138342
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SSC, Mowi-scotland, Ocean Matter, 360-aquaculture, The cleaner fish company

This work was funded by:

UK Seafood Innovation Fund

( https://www.seafoodinnovation.fund/projects/tools-for-improving-the-welfare-of-lumpfish-rd103/), Administered by the Centre for Environment, Fisheries and Aquaculture Science (Cefas) on behalf of the Department for Environment, Food and Rural Affairs (Defra)

Access2Sea

( http://access2sea.eu/ ): New Opportunities for More Competitive and Sustainable Blue Growth; funded by European Regional Development Fund (ERDF) under the umbrella of INTERREG Atlantic Area with the project identification code EAPA_1059/2018 – ACCESS2SEA.

Knowledge Economy Skills Scholarships (KESS 2) (http://kess2.ac.uk/) part-funded by the Welsh Government’s European Social Fund (ESF) convergence programme for West Wales and the Valleys.

This work was developed at The Centre for Sustainable Aquatic Research in collaboration with The Scottish Salmon Company; MOWI Scotland; The Cleaner Fish Company; Ocean Matters; and Three Sixty Aquaculture.

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  1. C. Gutierrez Rabadan, C. Spreadbury, S. Consuegra, C. Garcia de Leaniz. (2021) Development, validation and testing of an Operational Welfare Score Index for farmed lumpfish Cyclopterus lumpus L. Aquaculture, Volume 531, 735777, ISSN 0044-8486, https://doi.org/10.1016/j.aquaculture.2020.735777.
  2. Herrmann B, Sistiaga M, Jørgensen T. (2021) Size-dependent escape risk of lumpfish (Cyclopterus lumpus) from salmonid farm nets. Mar Pollut Bull. Jan;162:111904. doi: 10.1016/j.marpolbul.2020.111904. Epub 2020 Dec 13. PMID: 33321307.
  3. Jenkins DG, Quintana-Ascencio PF (2020) A solution to minimum sample size for regressions. PLoS ONE 15(2): e0229345. doi:10.1371/journal.pone.0229345
  4. Johannesen A, Joensen NE, Magnussen E. 2018. Shelters can negatively affect growth and welfare in lumpfish if feed is delivered continuously. PeerJ 6:e4837 https://doi.org/10.7717/peerj.4837.
  5. Garcia de Leaniz C, Gutierrez Rabadan C, Barrento SI, Stringwell R, Howes PN, Whittaker BA, Minett JF, Smith RG, Pooley CL, Overland BJ, Biddiscombe L, Lloyd R, Consuegra S, Maddocks JK, Deacon PTJ, Jennings BT, Rey Planellas S, Deakin A, Moore AI, Phillips D, Bardera G, Castanheira MF, Scolamacchia M, Clarke N, Parker O, Avizienius J, Johnstone M, Pavlidis M (2021) Addressing the welfare needs of farmed lumpfish: knowledge gaps, challenges and solutions Reviews in Aquaculture. https://doi.org/10.1111/raq.12589
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Garcia de Leaniz, C., Gutierrez Rabadan, C., Barrento, S. (2021) Lumpfish Welfare Watcher (Version 1) [Computer Program]. Available at: https://onlinelibrary.wiley.com/doi/full/10.1111/raq.12589.