Sea cucumbers are echinoderms from the class Holothuroidea ( HOL-ə-thyuu-ROY-dee-ə, HOH-lə-). They are benthic marine animals found on the sea floor worldwide, and the number of known holothuroid species worldwide is about 1,786, with the greatest number being in the Asia–Pacific region.
Sea cucumbers are echinoderms from the class Holothuroidea ( HOL-ə-thyuu-ROY-dee-ə, HOH-lə-). They are benthic marine animals found on the sea floor worldwide, and the number of known holothuroid species worldwide is about 1,786, with the greatest number being in the Asia–Pacific region.
Source: Wikipedia "Sea cucumber" · CC BY-SA 4.0
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