This is according to a test-tube study done on black sea cucumber extract. Like many species of worms, crustaceans, and other echinoderms, sea cucumbers use the opening of their anus to pump water in and out of their body – some species pump up to 860 millilitres/hour. Turn down the heat and simmer for 20-25 minutes . These animals are considered a delicacy in some areas and are especially popular in Asian countries. "A sea cucumber is basically one big chunk of intestine — mouth on one end, anus on the other — so the water can sometimes go in and out of either opening," he said. For instance, areas of the body with the highest concentrations of radioactivity would provide clues about which orifices the animal was using to eat. The body itself is stout, with a thick and firm body wall. Because they don’t have lungs, sea cucumbers rely on respiratory trees, a set of long tubes running down either side of the body with a lot of different branches. Around the mouth, there are profusely branching tentacles. last year. Holothuria hilla is a species of sea cucumber in the subgenus Mertensiothuria of the genus Holothuria. In a clean, oil-free pot, add pure water and sea cucumber. One of the most surprising things about sea cucumbers may be that they are animals, not plants. However, the unregulated harvest of sea cucumbers has caused a decline in some areas. Bald sea cucumber from Australia, the Middle East, and North Africa have a brownish-gray color and no spines.The flesh is much softer and is prized by Mediterranean cooks who braise them in stews. The tentacles can be shaped like fingers, feathers, umbrellas, or shields. There are about 30 species of sea cucumber off the B.C. These creatures are soft, gelatinous tubes with leathery skin (contrary to their slimy appearance), a reddish-orange colour and rubbery yellow spikes. When she's not writing about cool critters, she's spending time outside, drinking coffee, or knitting. Eating with your butt may not be all that unusual. Researchers recognize at least 1,700 different species. The mouth and anus are at opposite poles. Each part has separate, biologically important compounds. Heart Health All rights reserved. Sea cucumbers are rich in protein, niacin, and riboflavin and contain substances thought to influence human health, including: 1. Watch the video above to learn what makes them so expensive . But some can be found in the deep ocean. With another splash, a piece of sea cucumber was tossed into the air three meters high with sparks and seasoning. These tubercles can be expelled if the sea cucumber is disturbed. In addition, it has gained increasing interest as a functional food ingredient due to the availability of its biologically active compounds with medicinal properties. There are 1,250 different species of sea cucumber in the world. Oral tentacles, which surround the mouth, are part of the cucumber’s water vascular system (hydraulic pressure at its finest!). 1) The first step in the digestive system of a Sea Cucumber is the mouth. The body of holothuroids does not have arms and has a mouth and anus at opposite poles. One characteristic that distinguishes the sea cucumber from the other echinoderms is its crown, which consists of 10-30 tentacles around the mouth. Other sea cucumbers, such as Leptosynapta, burrow in the sediment, digesting what is edible, and excreting the rest. (Watch a video of sea cucumbers fighting with their guts—literally.). The largest cucumber is known as the Tiger’s Tail sea cucumber. In a clean, oil-free pot, add pure water and sea cucumber. For feeding, the sea cucumber will extend its tentacles into the water. Like other echinoderms, sea cucumbers have a water vascular system and tube feet. Sea cucumbers synonyms, Sea cucumbers pronunciation, Sea cucumbers translation, English dictionary definition of Sea cucumbers. Yes, that blob in the image is an animal. Sea cucumbers have a surprising defense mechanism in which they will expel their inner organs if they feel threatened, or even if they are overcrowded or subjected to poor water quality in an aquarium. There, the eggs are fertilized and become swimming larvae that later settle to the ocean bottom. But if P. californicus were obtaining food via its anus, it would likely use the rete mirabile to transfer the food to the gut. But instead of … Sea cucumbers are animals that live in all the world’s oceans. The body of a Johnsons sea cucumber is bright orange to red in color, accented by white tentacles and tube feet. Yes, you read that right. You can opt-out at any time. Cover and bring to a boil. (Bullough, 1950) Other Physical Features Most kindergarteners can tell you that an animal eats with its mouth, not its butt. When the scientists looked at tissue samples from the sea cucumber under the microscope, they found even more hints that P. californicus was using its anus as a second mouth: They found small pieces of algae and iron in the respiratory trees near the anus. Sea Cucumbers Play an Important Role in Cycling Nutrients, Reinhard Dirscherl/WaterFrame/Getty Images, Sea Cucumbers Are Found From Shallow Tide Pools to the Deep Sea, Sea Cucumbers Can Expel Their Inner Organs, Auscape/UIG/Universal Images Group/Getty Images, Echinoderms: Starfish, Sand Dollars, and Sea Urchins, Characteristics of Heart Urchins, or Sea Potatoes, All About the Animals Belonging to Class Asteroidea, M.S., Resource Administration and Management, University of New Hampshire, B.S., Natural Resources, Cornell University. The water vascular system of sea cucumbers is filled with body fluid rather than seawater. They place all of the various species in the taxonomic phylum Echinodermata. (See pictures of colorful sea creatures.). Tentacles covered in detritus are then placed in the mouth and “licked clean.” Trouver des images haute résolution de qualité dans la banque d'images Getty Images. In addition, the sea cucumber’s respiratory trees had small, finger-like projections known as microvilli that are normally found in the gut and aid with nutrient absorption. Sea cucumber is the common name ascribed to echinoderms of the Holothuroidea class. As the Snot Sea Cucumber burrows, contracting its body like a huge earthworm, tentacles surrounding its mouth sweep in sand and mud. Sea cucumbers breathe through a respiratory tree that is connected to their anus. Also in this section. Most sea cucumber bodies are covered with tube feet, but only the ones located on the bottom of their bodies are developed enough for use. This is what it looks like. The sediments pass through the mouth and enter the body, where they are conducted to the anterior intestine and the small intestine for their respective digestion and absorption. Most kindergarteners can tell you that an animal eats with its mouth, not its butt. Sea cucumber extracts can prevent the growth of certain bacteria such as E. coli, S. aureus, and S. typhi. Delicious, juicy and mouth-watering maki with cucumber. These structures help to sense, touch, and hunt. Calcareous deposits are embedded in the epidermal layer of this animal. Sea cucumbers can also be eaten raw, pickled, or fried. Bob Halstead/Lonely Planet Images/Getty Images, Relatives of Sea Stars, Sand Dollars, and Urchins, Mark Conlin/Oxford Scientific/Getty Images. The tube feet are controlled by changing the water pressure of the animal. Sea cucumbers have a tube-shaped elongated body with a mouth at one end and an anus at the opposite end. Sea cucumber have the ability to eject a toxic sticky substance when threatened. In a clean, oil-free pot, add pure water and sea cucumber. 5) Most sea cucumbers are adapted to life on the seafloor, and although the number of species is high in shallow seas, they are also abundant in deep oceans. The authors conclude that although they looked only for evidence of bipolar feeding—the more formal and perhaps polite term for eating with your butt—in one species of sea cucumber, many other species are likely to use this method of feeding. Feeding and diet As the Snot Sea Cucumber burrows, contracting its body like a huge earthworm, tentacles surrounding its mouth sweep in sand and mud. Giant Red Sea Cucumber. A Sea Cucumber that feeds via its butt! Step 10. Sea Cucumbers: (~1,200 species) Last but not least, sea cucumbers are so absolutely awesome! 3) Next the food moves through the pharynx, oesophagus, and the stomach where digestion occurs. Snot Sea Cucumbers are found in Queensland, New South Wales, Victoria, South Australia, Western Australia andTasmania. Sea cucumbers use these feet mainly to attach themselves to the bottom, rather than for motion. The sea cucumber draws water through its anus into the tree where respiration takes place. Some sea cucumbers are plankton feeders, using their mouth tubes to filter microscopic prey from the water currents. A respiratory tree — a collection of thin-walled tubes — stems from the intestinal tract and serves as water lungs. Eupentacta quinquesemita is a species of sea cucumber, a marine invertebrate with an elongated body, a leathery skin and tentacles surrounding the mouth.It is commonly known as the stiff-footed sea cucumber or white sea cucumber, and occurs on rocky coasts in the northeastern Pacific Ocean. Muscle bands and the epipharyngeal ‘bulb’ is removed from the animals and also exported to Asian markets. In addition to expelling these tubercles, sea cucumbers can expel internal organs. They are found mostly in shallow water. The sea cucumber’s underside , or sole, has four rows of hydraulic tube feet on each of the bands. Sea cucumber in the Seychelles ejects sticky filaments from the anus in self-defence. And Han Fei took out a spiritual fruit containing nearly 70,000 points of spiritual energy from Forge the Universe. Sea cucumber: An elongated animal with generally five rows of tube feet running the length of the body, [...] and a ring of mop-like tentacles around the mouth. The water goes into the respiratory tree and oxygen is transferred into the fluids within the body cavity. It unfurls its feathery tentacles. The Sea Cucumber is a type of marine life form. In this slide show, you can learn some surprising facts about sea cucumbers. 0:31. They are produced mainly in China, Japan, and Korea and are highly regarded for their "crunchy," springy texture. Others fulfill an essential role as large-scale detritus feeders. Their first hint that the sea cucumber anus was doing triple duty came from a structure called the rete mirabile, a set of blood vessels that connect the sea cucumber’s respiratory trees with its gut. T he gravel sea cucumber lives in the substratum with only its tentacles visible when extended. The 20-inch-long (50-centimeter-long) animal is no slouch: It can pump 3.5 to 4 cups of water per hour through its anus, transferring the oxygen from the water into its respiratory trees, which then oxygenates its cells. Their mouth is surrounded by 10-30 feeding tentacles, which are actually modified tube feet. They're named for their unusual oblong shape that resembles a fat cucumber. One species of sea cucumber, however, didn’t appear to get the memo: Scientists have discovered that the giant California sea cucumber (Parastichopus californicus) actually uses its anus as a second mouth. A Sea Cucumber is an oblong sea creature in the Holothuroidea class. This process, called evisceration, may occur if the sea cucumber is disturbed or threatened. Cover and bring to a boil. They are found in oceans around the world. The black sea cucumber’s upper surface also has tube feet, but these are less dense than those on its sole. dfo-mpo.gc.ca Its mouth is surrounded by small tentacles tipped with fine cilia. There are about 1,250 different species of sea cucumber across the world's oceans. To test their idea, the team fed several sea cucumbers radioactive algae, which also contained iron particles. This means they are echinoderms. These tentacles that collect food particles. Though “an animal is not expected to ingest food through its anus”—as William Jaeckle and Richard Strathmann note at the beginning of their study in the March issue of Invertebrate Biology—it turns out the answer is yes. P. californicus is shaped like a hollow tube, with a mouth at one end and its anus at the other. Step 11. On the opposite end the anus is found on the dorsal side. Today is a good case in point. There are two ways by which evisceration occurs in sea cucmber species: from the mouth (anterior) or the anus (posterior). National Geographic Headquarters 1145 17th Street NW Washington, DC 20036, National Geographic Society is a 501 (c)(3) organization. Sea cucumbers, like all other echinoderms, exhibit radial symmetry, according to the University of California, Berkeley's Museum of Paleontology (UCMP). 4) Sea cucumbers are nocturnal, meaning they are active during the night. A ring of tentacles (actually modified tube feet) surrounds the mouth. Although they don't look like it, sea cucumbers are related to sea stars, sea urchins, and sand dollars. These sea cucumbers are using their tentacles to filter plankton from the water. These tentacles have an adhesive-like mucus that is used to pick up detritus. The excretions of sea cucumbers help keep nutrients cycling throughout the ocean ecosystem. Sandfish have around 20 short tentacles. Some common names include the contractile sea cucumber, the sand sifting sea cucumber and the tigertail sea cucumber, and in Hawaii it is known as the light spotted sea cucumber.It is found in the Indo-Pacific region and the Red Sea. For more details, see our Privacy Policy. The mouth of the black sea cucumber is surrounded by ten branching tentacles which it uses to trap small prey animals. As the tentacles push into the ocean bottom, food particles attach to mucus. Having definite anterior and posterior ends, the sea cucumber has a large mouth surrounded by bushy tentacles with thick bases that divide into numerous tiny branches. Although the most common is that the sea cucumber opens its mouth to consume the sediment along with the organic detritus using the tentacles. A sea urchin. Playing next. The shape and size of these ossicles are examined under a microscope because they are so small. Ambulacral and interambulacral axes are arranged meridianally around the polar axis. It may also occur regularly, possibly as a way for the sea cucumber to purge its inner organs of excess wastes or chemicals. I always used to worry about having new topics to write about-but I'm quite happy to say that I've yet to run out of fantastic images or new discoveries to be shared. Cover and bring to a boil. coast, but only the giant red is harvested commercially — three-million pounds of it in B.C. Read on to learn about the Sea Cucumber. The Sea cucumber can have around 8-30 tentacles surrounding its mouth. This is what it looks like. Some sea cucumbers collect food from the surrounding water, while others find food on or in the ocean bottom. For some sea cucumber species, the tiny ossicles provide the only visible clue to the species' identity. It has a green to brown leathery skin. Step 12. Below 15,000 feet, they make up 90 percent of life on the seafloor. Bottom line? Sea cucumbers are marine invertebrates that live on the seafloor. Detail of head with mouth of white transparent sea cucumber on bottom of sea in Lembeh Strait, North Sulawesi, Indonesia. (However, the hairy cucumber is covered with sleder tube feet.) Although they don't look like it, sea cucumbers are … Browse more videos. Blackmouth sea cucumber - mouth. 12 years ago | 592 views. Sea Cucumber Facts and Information Introduction to Sea Cucumber. Although they have five rows of tube feet, sea cucumbers move very slowly, if at all. The body is very flexible, tightens when it is stressed, and can expel its internal body organs, which can be regenerated. Some sea cucumber filter-feed but many obtain food from the ocean bottom. There are about 1,500 species of sea cucumbers and they display a variety of colors, shapes, and sizes. She serves as the executive director of the Blue Ocean Society for Marine Conservation. These sweep the surrounding water, capturing bits of food, and are then transferred one by one to its mouth to wipe off the food. Its body has numerous calcareous deposits on the skin and tapers towards either end. While the. Delicious, juicy and mouth-watering maki with cucumber Head of white transparent sea cucumber. Sea cucumbers are harvested for use in food and medicine. Sometimes, they also sift through the sediments at the bottom with their tentacles. In most species of sea cucumbers, there are both males and females, although differences aren't externally visible. But some can be found in the deep ocean. Sea cucumbers lack arms. © 1996 - 2019 National Geographic Society. Follow. Sea cucumber farming has developed rapidly and become a vigorous industry along the northern coast of China, where 2–3 billion juveniles and 60,000 ton of sea cucumbers (live weight) can be produced and harvested each year, respectively. This can be loosened and tightened at will. Voir cette photo intitulée Feather Mouth Sea Cucumber. This is the teeth and the mouth of the sea cucumber, also cut with scissors. An intestinal tract connects the mouth and anus on opposite ends of the warty sea cucumber's body. Coelomic fluid(a compound that functions similarly to white blood cells in h… Sea cucumbers are typically 10 to 30 cm (4 to 12 in) in length, although the smallest known species are just 3 mm (0.12 in) long, and the largest can reach 3 meters (10 ft). The respiratory tree lies inside the body on either side of the intestine and connects to the cloaca. They are called sea cucumbers because of their cylindrical shape and the presence of bumps all over their bodies. Most kindergarteners can tell you that an animal eats with its mouth, not its butt. The density of these tube feet and papillae, and therefore coloration, can vary from sea cucumber to sea cucumber, but density typically increases on the dorsal area. (Li et al., 2018) (Oh et al., 2017) (Coppola et al., 2020) Another study tested on rats found that black sea cucumber helps fight sepsis. Initially, Jaeckle, of Illinois Wesleyan University, and Strathmann, of the University of Washington, thought that the rete mirabile was used to transfer oxygen from the respiratory trees to the gut. Some species ingest sediment, remove the food particles and then excrete the sediment in long strands. That is where water enters via the anus and is used to respire or "breathe". These creatures are soft, gelatinous tubes with leathery skin (contrary to their slimy appearance), a reddish-orange colour and rubbery yellow spikes. Step 10. They are a type of echinoderm so they have an endoskeleton. They can be from less than an inch to several feet in length. Scientists already knew that the marine invertebrate, which lives in the shallow ocean waters off the Pacific coast of North America, breathes with its butt. The Anus as a Second Mouth! There are about 30 species of sea cucumber off the B.C. To learn more, visit, video of sea cucumbers fighting with their guts—literally, Why Sea Slugs Dispose of Their Own Penises. Holothuroids are generally cucumber shaped, but some are almost spherical and others are vermiform. The mouth is surrounded by tentacles. Sydney Seastars. Not surprisingly, the results showed that the sea cucumbers ate the algae through their actual mouths, which then traveled through their gut. Delicious, juicy and mouth-watering maki with cucumber. Jennifer Kennedy, M.S., is an environmental educator specializing in marine life. The skin is opaque and leathery; tube feet are in 5 bands; ten bushy tentacles are around the mouth. Sea cucumbers have catch connective tissue, which seems to magically go from being stiff to flexible in mere seconds. The class of holothuroids is made up of 1,100 species of sea cucumber (Britannica online, 2000). Sea cucumbers live in a wide range of habitats, from shallow coastal areas to the deep sea. This means that their closest relatives include starfish and sea urchins. This hairy sea cucumber takes several hours to burrow under the sand. Note those two bluish/white, feathery branches that come off the cloaca and the anus... those are called the respiratory trees. May. Sea cucumbers are squishy, boneless saltwater creatures found on the bottom of oceans worldwide, whose bodies are shaped like cucumbers and wrapped in a soft, leather-like casing. The sea cucumber extracts nutrients from the sand and mud, and excretes the rest, leaving behind trails of sand like squeezed toothpaste. Your Mouth Sea Cucumber stock images are ready. In January 2016, rules were put into place to restrict sea cucumber harvesting in Hawaii due to the decimation of nearshore populations in Maui and Oahu. Chondroitin sulfate(a substance found in human cartilage) 2. This is what it looks like. Sea cucumber has received greater attention due to its potential therapeutic benefits and as a marine food product. Most echinoderms have visible spines, but the spines of a sea cucumber are tiny ossicles embedded in their skin. The body ranges from almost spherical to worm-like, and lacks the arms found in many other echinoderms, such as starfish. All of the claims need to be further investigated, however. last year. Dried sea cucumber, known as bêche-de-mer or trepang, is rehydrated and added to recipes like soups, stews, and stir-fries. The body of this sea cucumber is white, with numerous dark blue tube feet and papillae covering it. The sea cucumber, or the Holothuroidea ... which surround their mouth and look like tentacles. Sea cucumbers have a mouth at one end and anus at the other. The food that this creature eats is broken down into even smaller particulate matter, which in turn becomes food for bacteria. Head of white transparent sea cucumber. One sea cucumber can filter up to 99 pounds of sediment in a year. This is what it looks like. Prickly sea cucumber can be recognized by their dark color and soft spines. It can quickly pull them in if threatened. as dancing with the sea cucumbers, the spiritual fruit was beaten to pieces by Han Fei and mixed in the pot. Delicious, juicy and mouth-watering maki with cucumber . This is Thelenota anax. ... Holothurin A3 and Holothurin A4 both triggered apoptosis in mouth and liver cancer cells 2; They also have various forms of connective tissues that comprise them. The sea cucumber breathes by drawing oxygenated water in through the anus. (Also see “Why Sea Slugs Dispose of Their Own Penises.”). The infected skin becomes eroded with deep ulceration (Figure 9) and assumes a bluish white colouration. Sea cucumbers are animals that live in all the world’s oceans. The most important distinguishing feature of the sea cucumber is the calcareous ring surrounding the pharynx or throat. The black sea cucumber’s upper surface also has tube feet, but these are less dense than those on its sole. The only way that those blood vessels could have such a high concentration of radioactivity is if the animal was transferring food from the respiratory trees to the gut via the rete mirabile. Detail of head with mouth of white transparent sea cucumber on bottom of sea in Lembeh Strait, North Sulawesi, Indonesia Delicious, juicy and mouth-watering maki with cucumber. Since 1888, National Geographic has pushed the boundaries of exploration, investing in bold people and transformative ideas, providing more than 14,000 grants for work across all seven continents, reaching 3 million students each year through education offerings, and engaging audiences around the globe through signature experiences, stories and content. One species of sea cucumber, however, didn’t appear to get the memo: Scientists have discovered that the giant California sea cucumber (Parastichopus californicus) actually uses its anus as a second mouth. 6) Sea cucumbers range in size, the smallest species can be as small as 0.12 inches while … Sea cucumbers have the ability to squeeze themselves through tiny spaces. BR: Sea cucumber ovaries are the strangest food request I have ever received while working on a yachts. However, the researchers also found a high level of radioactivity when they looked at the rete mirabile. A giant sea cucumber in the Pacific Ocean. Close up of swimming crab in sea cucumber anus. Any microscopic morsel it finds gets pulled down into its mouth. Purple Sea Urchin. Some sea cucumbers bury themselves fully in the sediment. Like other sea cucumbers, they use feeding tentacles which protrude from the mouth. Once the organs are discharged, they regenerate within days or weeks. Download all free or royalty-free photos and vectors. 2) The food just moves through the mouth as there is nothing there to chew it. Delicious, juicy and mouth-watering maki with cucumber. (Watch a video of a hairy sea cucumber.). Another interesting fact about sea cucumbers is that they have no brain but they can live for 5 to 10 years. They are found mostly in shallow water. Which see animal has no legs? Giant Red Sea Cucumber. Sea cucumbers are essentially a big fleshy tube with a mouth and a butt that pumps water through itself! Its body now safely hidden, it's time to eat. Image by Ken-Ichi: This year it will be FIVE years since I began the Echinoblog in 2008. Sea cucumbers do not have a brain, heart, or lungs. The sea cucumber’s underside , or sole, has four rows of hydraulic tube feet on each of the bands. A remarkable feature of these animals is the collagen which forms their body wall. These animals may look like boring lumps...but sea cucumbers have all sorts of surprises. They are called sea cucumbers because of their cylindrical shape and the presence of bumps all over their bodies. coast, but only the giant red is harvested commercially — three-million pounds of it in B.C. The mouth of the black sea cucumber is surrounded by ten branching tentacles which it uses to trap small prey animals. The lesions gradually expand with increased mucus synthesis (Figure 8) over large areas of the body wall. Sea cucumbers consist of three main parts: the body fluid, internal organs, and the body wall. A dark pigmented peristomial membrane surrounds a circular lip. This also indicated that P. californicus was absorbing food using its anus and respiratory trees. Some sea urchins, like the one shown here, expel Cuvierian tubules. Sea cucumbers communicate with each other by sending hormone signals through the water. The sheer amount of water flowing into the anus got two invertebrate biologists thinking—since P. californicus sifts plankton and other small particles from water using its tentacles, could it do something similar using its anus? Back to top of main content Go back to top of page. And yes, it's doing what you think it's doing. The odd-looking creatures shown here are sea cucumbers. "A sea cucumber is basically one big chunk of intestine — mouth on one end, anus on the other — so the water can sometimes go in and out of either opening," he said. Clinical signs: The infected sea cucumber shrinks and small lesions usually appear around the mouth. Privacy Notice |  Sustainability Policy |  Terms of Service |  Code of Ethics, Carrie is a freelance science writer living in Virginia. One species of sea cucumber, however, didn’t appear to get the memo: Scientists have discovered that the giant California sea cucumber (Parastichopus californicus) actually uses its anus as a second mouth. Many species reproduce by spawning — broadcasting their sperm and eggs into the water column. As Dr Mah observes, “Sea cucumbers are essentially a big fleshy tube with a mouth and a butt that pumps water through itself.” The good news is that, while all that sea cucumber poop in the footage above might look like a lot of waste to dump on the ocean floor, it’s actually a really important component of a local ecosystem. Essentially, sea cucumbers are good for eating things. Unlike many other echinoderms, the body is elongated which allows for the sea … Surrounding its mouth are ten to thirty modified tube feet. There are over 250 species of which a small portion are believed to be medicinal. Breeding. Sea Cucumber ( 北大西洋海参; 해삼 ) Sea cucumbers are distinctly cucumber shaped. Food is caught by the long tentacles that surrund the mouth and are brought into the mouth by them. These are located at the base of the respiratory tree, the sea cucumber's breathing organ. Report. It can grow up to 7 feet long and has small tentacles around its mouth that bring in food. Which brings us to the sea cucumber’s butt, which acts as a second mouth, because at this point, of course it does. In a clean, oil-free pot, add pure water and sea cucumber. Step 11. They have a mouth located on the ventral surface at one end of the body, considered the front end. This helps in recycling them back into the ecosystem of the ocean. Sea cucumber peptides provide such an impressive amount of DNA-damage protection, through their antioxidant, anti-cancer and anti-ageing benefits, that they have been proven to be far better than the cosmetic worlds’ usual favourites, Vitamin C and Hyaluronic Acid or ‘HCL’! This is the teeth and the mouth of the sea cucumber, also cut with scissors. The respiratory trees receive oxygen when water is pumped through their anus using the muscles of their cloaca, an opening at the end of the intestinal tract. Step 12. SEA CUCUMBER FACTS #6: THEY DO GOOD THINGS. This aspect of the sea cucumber is being studied for its potential application to the health and repair of human tendons and ligaments. Advertisement. It is used commercially for the preparation of traditional medicinal products. , such as Leptosynapta, burrow in the world ’ s underside, or fried while find! System and tube feet. ) animals is the common name ascribed to of... 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