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A Sustainable Hatchery Technique For Stichopus Vastus And Stichopus Horrens
tm3131312284
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Unsustainable global overfishing activities and commercial exploitation of sea cucumbers have initiated CITES to classify these invertebrates as endangered species. In Malaysia, the wild population of this icon of our marine and Langkawi heritage is diminishing. Malaysia prima facie status as importer, exporter and consumer of the sea cucumber is now questionable. An innovative artificial propagation technique has been developed as a possible farming methodology to increase stocks of the Stichopodidae family of S. vastus and S. horrens. It involves broodstocks harvesting, spawning, sexual and asexual (agametic cloning) propagations and feeding activities integrated with mariculture. In induced spawning, techniques such as thermal variation, water-jet spray, addition of aquaculture food, and grinded male gonads were applied. Gametogenesis commences psot-external fertilization into auricularia stages before settlement as pentactulas' and juveniles. At this stage of the life cycle, 2.5 month old healthy juveniles were transfered into sea cages fitted with 1mm Teflon net and placed at 30-deep, reef-associated mariculture sites.

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School of Health Sciences, Universiti Sains Malaysia
16150 Kubang Kerian
Kelantan
Malaysia

Full Name [1]
Assoc. Prof. Dr. Farid Che Ghazali
Email [1]
farid@kb.usm.my