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Over the last decades, holothurian populations are getting declined and depleted in many regions worldwide due to their nutritional value and pharmaceutical uses. Sustainable management is of great importance for sea cucumber populations that require many decades for population recovery. This book, therefore, provides detailed studies on different reproduction modes and the optimum conditions for larval rearing to contribute in developing appropriate conservation and management strategies for enhancing the natural stocks and achieving sustainable economic and ecological benefits through sea cucumber aquaculture production. Model of Holothuria arenicola (Semper, 1868) was particularly considered as being one of the most abundant sea cucumber species along Egyptian Mediterranean coast. The book should be especially useful to researchers in sea cucumber culture, technicians and farmers in sea cucumber farms.