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Sea cucumbers are echinoderms from the class Holothuroidea (/ ˌhɒləˌθjʊəˈrɔɪdiə, ˌhoʊlə -/ HOL-ə-thyuu-ROY-dee-ə, HOH-lə-). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. They are found on the sea floor worldwide.
Sea cucumbers have mutable collagenous tissues (MCTs), a type of connective tissue that can switch between being soft and stiff under neuronal control. It is the presence of MCTs that enables them to eviscerate their internal organs for defense. Moreover, since these tissues are loosened and tightened at will, sea cucumbers can easily squeeze ...
What is a sea cucumber? Sea cucumbers might look like the lumpy cylindrical vegetable but these bizarre animals are echinoderms—an invertebrate like starfish, sea urchins, and feather...
Sea cucumbers are found in all oceans, mostly in shallow water but sometimes at depths of many thousands of metres. They are best represented in the Indian Ocean and the western Pacific. The 80 to 100 species of large, warty sea cucumbers of the genus Holothuria are especially abundant on coral reefs .
Sea cucumbers are marine invertebrates that live on the seafloor. They're named for their unusual oblong shape that resembles a fat cucumber.
Sea cucumbers are scavengers that feed on small food items in the benthic zone (seafloor), as well as plankton floating in the water column. Algae, aquatic invertebrates, and waste particles make up their diet.
A Sea Cucumber is an oblong sea creature in the Holothuroidea class. Researchers recognize at least 1,700 different species. They place all of the various species in the taxonomic phylum Echinodermata.
Sea cucumbers are marine invertebrates in the class Holothuroidea that live on the sea floor in both shallow and deep waters. They are echinoderms like sea urchins and starfish, which are also known as sea stars.
Sea cucumbers are oceanic invertebrates that can range in size but can grow up to nearly seven feet long. The smallest ones are a mere few inches long. These animals have soft bodies and powerful tentacles around their mouths, which they use for sucking in food from both the ocean floor and water itself.
Despite the vegetal name, sea cucumbers are tube-shaped marine invertebrates that (usually) live on the seafloor. Like sea urchins and stars, these creatures are part of the Echinodermata phylum. That means they have spiny skin and move using biological hydraulics known as a water vascular system.