Sea cucumbers of the same size are boiled to preserve their flavour and wholesomeness. And of course, simply hiding or camouflage is always a popular method. (If you're seeing this message, you haven't met them yet.) Sea cucumbers play a vital role in marine ecosystems. By Amina Khan. The sea cucumber, a herbivore, is not known for being poisonous but it secretes blue ink from its skin which is potentially lethal to any predators. Sea cucumber crackers – that’s the idea Zulfikar Zaintisa and his wife Fitri Kartika have come up with to commercialise sea cucumbers in a way that doesn’t require divers to go too deep, and doesn’t involve middlemen. They do not have brain. Human beings are a sea cucumber’s most dangerous predators. Sea cucumbers—there are some 1,700 species globally—are echinoderms, along with urchins and sea stars. It also has a cylindrical body with blunt. Bald Sea Cucumber Australia, Middle East and Africa are the primary origins of bald sea cucumber. They could live up to 40m depth beneath the sea. Apostichopus japonicus ( Japanese spiky sea cucumber or the Japanese sea cucumber) This sea cucumbers live long the coasts of Russia, China, Japan and Korea. Sea cucumbers belong to the animal world, but, given their lifestyle, it is not surprising that some take them for plants. The sea cucumber has a few defenses against predators; some species can shoot their respiratory organs out of their anuses and let them wave around, because the sticky tubes are covered with a soap-like chemical that is toxic to other animals. Photos used under Creative Commons from … They have five rows of paired tentacles on the surface of the body which are used for locomotion and for feeding. They are eyeless, legless, spineless, wormy blobs, but if you get a chance to watch them under water, you’ll see beautiful branching tentacles that feather out of one end to gather food. Password: Register: Blogs: FAQ: Calendar: Mark Forums Read: Notices: Welcome to ReefCentral. They feed on detritus and another small organic materials. Sea Cucumber Facts and Information Introduction to Sea Cucumber. When in danger, these animals will expel their viscera together with the Cuvierian organ. Does sea cucumber taste good? Sea cucumbers can also be eaten raw, pickled … Sea cucumbers are rather inconspicuous animals and are certainly not the most well-known sea creatures. While sea cucumbers can be eaten fresh, they are just as often dried and reconstituted for use in a number of traditional Asian delicacies. According to one official – "Something must have gone wrong when [the victims] prepared the food." Yes sea cucumbers are very dangerous... 0 comments. At least, people still have never been able to find them there. In one order, the most dangerous (and venomous) sea cucumbers in this sense are the "filterers", like the Australian sea apple cucumbers, but the genus Holothuria is also. by Emma.B & Mathida.C. They secrete hormones, which they use in sending signals to others when they sense danger. A border arrest exposes a dangerous and lucrative black market for sea cucumbers. A search on eBay found that dried sea cucumber is going for over $175 per pound. Sea urchins (Echinoidea) and sea cucumbers (Holothuroidea) are included in the phylum of echinoderms (Echinodermata), as are starfish. About Sea Cucumbers; Appearance; Habitat; Diet; Dangers; sustainibility; References; Life cycle; about invertabrats; fun facts  sea cucumbers Sea cucumbers are endangerd because of people eating way to many of them. Sea Cucumbers. The rarer these animals get, the deeper divers have to swim to find them. Another name for sea cucumbers is “holothuria”. share. 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