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An innovative, sustainable, no-kill sea urchin aquaculture method

Nature Sustainability volume 7, pages 954–955 (2024)Cite this article

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We present a sea urchin aquaculture method called raking. Unlike traditional methods in which the entire gonad is the final product, thereby requiring sea urchin killing, eggs are the final product in raking. As killing of sea urchins is not necessary, several production cycles are possible with this method, enabling sustainable echinoculture.

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Fig. 1: Schematic of the raking method.

References

  1. Kelly, M. S. in Echinoderms: München (eds Heinzeller, T. & Nebelsick, J. H.) 283–289 (Taylor & Francis, 2004). A review article that discusses market value and limits of echinoculture.

  2. Harris, L. G. & Eddy, S. D. in Echinoderm Aquaculture (eds Brown, N. P. & Eddy, S. D.) 3–24 (Wiley, 2015). A book chapter that reviews the trophic role of sea urchins.

  3. Hamdoun, A., Schrankel, C. S., Nesbit, K. T. & Espinoza, J. A. in Encyclopedia of Reproduction 2nd edn, Vol. 6 (ed. Skinner, M. K.) 696–703 (Academic Press, 2018). A book chapter that gives an overview of reproductive capacity in sea urchins.

  4. Grosso, L. et al. Integrated Multi-Trophic Aquaculture (IMTA) system combining the sea urchin Paracentrotus lividus, as primary species, and the sea cucumber Holothuria tubulosa as extractive species. Aquaculture 534, 736268 (2021). A research article that addresses the potential of sea urchins in multitrophic integrated aquaculture.

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This is a summary of: Rakaj, A. et al. A sustainable no-kill sea urchin aquaculture method to obtain caviar. Nat. Sustain. https://doi.org/10.1038/s41893-024-01372-0 (2024).

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An innovative, sustainable, no-kill sea urchin aquaculture method. Nat Sustain 7, 954–955 (2024). https://doi.org/10.1038/s41893-024-01378-8

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