![]() ![]() Species in this order mostly distributed in deep sea, e.g. Degenerated tube feet without suckers in 1–2 rows. ![]() ![]() Usually it has a groove between dorsal and ventral sides, occasionally has tail 10–20 tentacles without vesicles. Most of the edible sea cucumbers, such as Holothuroidea nobilis and Stichopus japonicus belong to this order.įlat ventral side. Tentacle vesicle, tube feet with terminal suckers and respiratory trees present. Number of tentacles 15–30, but usually 20. 1.1 Taxonomy of Holothuroidea Aspidochirota There are over 1,100 species of sea cucumbers Sea cucumbers, which have been collected as food organisms forĪ long time, belong to class Holothuroidea of phylumĮchinodermata. TRAINING MANUAL ON BREEDING AND CULTURE OF SCALLOP AND SEA CUCUMBER IN CHINA
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