. Chemicals released by male sea cucumber mediate aggregation and spawning behaviours. Scientific Reports. 2018;8(1). doi:10.1038/s41598-017-18655-6
. Sea cucumbers, Holothuria arguinensis and H. mammata , from the southern Iberian Peninsula: Variation in reproductive activity between populations from different habitats. Fisheries Research. 2017;191:120 - 130. doi:10.1016/j.fishres.2017.03.007

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