For the record most species in the freezing waters of the Antarctic can create this antifreeze. The Hairy Frog. The name of this species which means “pure life” in English, is related to a common saying from Costa Rica. It is important to point out there are other places in the deep sea that have similar conditions than those of vents and seeps; especially those where the remains of other animals such as dolphins, whales, sharks even wood are found. Although it is often referred to as the "furry lobster" outside the scientific literature, Kiwa hirsuta is a squat lobster, more closely related to crabs and hermit crabs than true lobsters. These names come from the hairy and bristly appearance, that resembles that of the legendary snow monster Yeti. In fact, this particular feature is the origin of their nickname «Hoff crabs«, related to the hairy chest of the actor David Hasselhoff. The reasons for this situation are not totally clear, but it is speculated that the changes in the sea oxygen levels as a consequence of climate change are the main reason. Decorating Aquariums : The best algae to decorate domestic aquariums…. They have similar anatomical characteristics than those of kiwa hirsuta and they also feed on symbiotic bacteria. Photo — Wikimedia. Learn about these funny crustaceans…. The characteristics of Kiwa Hirsuta are very curious. Found insideFrom the harmless but hilarious to the truly frightening and deadly, the animals in this book are guaranteed to keep you enthralled, astonished, and extremely amused. In addition to the species kiwa hirsuta previously described, there are other species of yeti crabs that have been recently discovered, This species was discovered in 2006 in cold seeps on the sea bottom of the coast of Costa Rica. Of course, we still think that this is a very curious species. But it is also true that there are still many left to know exactly. Superb bird of paradise is sexually dimorphic, which means that the male and female of this bird have different characteristics beyond the differences of their … Appearances "Seasquatch" The kiwa puravida live in methane seeps at depths of 1007 meters. Like many other animal lovers, if it’s fluffy then I want to pet it, and if it has pincers I tend to avoid it, so the yeti crab causes all sorts of confusion for people like me. A new monotypic family, Kiwaidae n. It was described by researcher Alice Laciny and her collaborators in 2018. Let’s start by talking about some of its most basic features. Its length is between 6 and 8 inches approximately. Based on more than 2000 specimens collected from the China Seas, this book describes and clearly illustrates 146 species belonging to 16 genera of the Alpheidae. This means that temperature goes from scalding to chilling, and in addition the pressure is quite intense and there is no light. This multifaceted book explores the history, nature, biodiversity, current conservation measures, and future uses of satoyama. They were found on lava flows and areas where warm water was seeping out of the sea floor. They have three nicknames that are often used instead of their actual name – yeti crab, yeti lobster, or furry lobster. Luckily, India is home to some of the leading provisions to safeguard animals in the world. However, with respect to other species of squat lobsters, K. hirsuta exhibits a number of unusual characteristics that justify placing it within its own family, the Kiwaidae (Macpherson, et al. There is no significant information regarding the reproduction of the  yeti crabs , given its recent discovery and difficult location. What we do have to know is that the crab forceps have a filamentous bacterium that prevents it from becoming intoxicating, thus giving it different advantages. In this way, it will be necessary that much more research be done in order to clarify all the mysteries that surround you. Broad-ranging and cross-disciplinary overview of the evolution and mechanisms of beneficial host-pathogen interactions. As we have mentioned before, they live in locations where the hydrothermal vents expel out boiling hot water into the cold sea above. Don´t say good bye without leraning also about cold seeps. This species differs anatomically from the others by having an almost flat branchial region, a short beak and slender chelas. The hot springs, fumaroles and geysers can be listed as the most common hydrothermal vents on earth. (14) The Yeti crab has very basic eyes without any pigmentation. These crabs were observed for first time in March 2005, by the marine researchers in the submarine Alvin, who were exploring hydrothermal vents along the Pacific Antarctic ridge, in the south of Easter Island. One of the most important conclusions of such study is that today’s yeti crabs are likely descended from a common ancestor that lived in deep sea hydrothermal vents on mid-ocean ridges in the South East Pacific, between 30 and 40 million years ago. If we were to consider their food, we could say that it is a carnivorous species. In this aspect, the yeti crabs are very different from others, since they feed on the bacteria they have in their tweezers. This bizarre-looking crab has a blond shaded hair-like structure called Satae. The yeti crabs can´t see, that is they are blind, and they only have a membrane in the place where their eyes should be located. known by the common name of "squat lobsters"). It receives the second name of yeti crab because of its white color and its tweezers which are uneven. The Yeti Crab was at first thought to be a part of these three families: It consists of 18 episodes, originally ran from April 15, 2019, to July 12, 2021. Its discoverers dubbed it the "yeti crab" or "yeti lobster" after the famous cryptid, the Yeti. For deep-sea hydrothermal vent crabs, recent investigations have revealed some epibiotic bacteria, but no study has described the bacterial community associated with the gill and intestine. Yeti crab surprises everyone who knows him. How did it eat? This process is known as chemosynthesis. This species was discovered in 2010 during an expedition to explore the hydrothermal vents on the East Scotia Ridge from the Southern Ocean, Antarctica. This is a common fact of those species that live in the deepest areas of the oceans, which don´t have access to the sunlight. These hairs cover their leg up to the claws. Viperfish: Characteristics, habitats, reproduction and more…. Note, the first species of Yeti Crab, Kiwa hirsuta, is NOT considered a cryptid, as such a creatures were not envisioned, sighted, or reported yet. hirsuta F22.2 F304.1 F304.2 F304.3 F423.1 F423.2 F423.3 Kiwa … It was spotted on hydrothermal vents at a depth of 7,200 feet on the Pacific-Antarctic Ridge of the South Pacific. The final results indicate that such creatures may be more vulnerable to the effects of human resource exploitation and climate change than what we usually think. Grey areas represent land. More of these unusual crabs which live at depths of 2,200 meters were observed during subsequent Alvin dives. The hot water that comes from the vent has enormous quantities of dissolved minerals, as well as a large population of chemoautotrophic bacteria. Found insideWhen SpongeBob enters into a contest at Mussel Beach with his father, he forgets the most important thing about the event. The anatomical characteristics of this species are somewhat different than those of the Kiwa Puravida and the Kiwa Hirsuta, since they have short chelae and most of their setae are concentrated on their ventral surface. According to the MBARI biologist Joe Jones, “Many of the crabs were hiding underneath or behind rocks—all we could see were the tips of their arms sticking out.”. This volume presents the first "state of the art" picture of model development in this context. It officially began with the episode "Mystery of the Flamingo's Pink" and ended with the episode "Cats and Dogs". Diagram of a model decapod species. In addition, The Pompeii worms and the giant tube worms are other characteristic species of these habitats. Sea Cucumbers: Characteristics, reproduction, habitats and more. The current  locations of these animals are not necessarily indicative of their historical distribution.”, There is always something that can be done. The target audience for this book is biochemists, and molecular and evolutionary biologiststhatwanttolearnhowtoanalyzeDNAsequencesinasimplebutmeaningful fashion. The Kiwa hirsuta The Kiwa hirsuta is more commonly known as the Yeti Crab is an interesting little organism. The Hydrothermal vents and cold seeps where the yeti crabs inhabit, are commonly found in places that are volcanically active, where magma is relatively close to the surface of the planet. Kiwa hirsuta is a crustacean discovered in 2006 in the South Pacific Ocean. The yeti crab is a family of deep-sea decapods crustaceans (essentially, lobsters and crabs) with hairy arms and a white shell. According to investigations of the New Oxford University, different types of environmental changes may have highly impacted the geographic range and species diversity of this family. Group that shares the traits: many have a single flagellum and other molecular characteristics. Here, we will focus on a species, Colobopsis explodens, or the explosive ant. And it is that the species is covered by a fabric similar to white silk feathers. In this study, the microbiota attached to the gill and intestine of the hydrothermal vent crab Austinograea sp. (Courtesy E-Fauna BC © 2008), Learn about other Its scientific name is Kiwa hirsuta - "Kiwa… Found insideProvides a comprehensive synthesis of a fundamental phenomenon, the species-area relationship, addressing theory, evidence and application. This is wrong. However, in 2000 a study was published on a fossil of more than 100 million years of existence, which is now known to be related to the yeti crabs. In Polynesian mythology, Kiwa is the godess of shellfish (Jones 2005). So, this whole process is the basis of the dietof every species that inhabit at the hydrothermal vents. Comment The researchers noted that they had found an entirely new family called later Kiwaidae. On the other hand, recent research has confirmed that the habitat in which he lives is free of light, which confirms one of its most curious characteristics: he is blind. 1. C. Kiwa Hirsuta . It was first announced on April 15, 2019. This results in hydrothermal vents to primarily be located along ocean ridges (Fig. An international team of scientists recently announced the discovery of a new species of This book brings together this rich data in one resource, particularly that generated by Chinese marine geologists and petroleum geologists, and provides the very first synthesis of the geology off China. Although they are called crabs, their shape  is similar to that of prawns. The yeti crab, also called "yeti lobster", was discovered in the deep, dark waters of the Pacific Ocean relatively recently, in 2005. Marine Metapopulations provides a synthesis of existing information and understanding, and frames the most important future directions and issues. Meet the Yeti Crab (Kiwa hirsuta, Kiwa puravida and Kiwa tyleri). Thousands of filamentous bacteria attached to the plumose setae on the ventral surface of this crab were observed using field-emission scanning electron microscopy and transmission electron microscopy. This book summarizes the key adaptations enabling extremophile fishes to survive under harsh environmental conditions. These environmental conditions entail that the yeti crabs have a really small livable area, since if they get too close to the vent they would be boiled alive, and if they get too far from it they would lose the sulfide gas, and could also die of hyperthermia. And it is that the Yeti crab inhabits the southern Pacific Ocean, at a distance of approximately 2,300 meters deep. To date, no such cases have been reported, but due to the very peculiar conditions of the habitat where they develop, it is intuited that they would not survive in a completely different habitat, without the necessary characteristics for their feeding. Found insideThey are not lobsters, although they share a number of characteristics, and are, in fact, more closely related to porcelain ... Kiwa hirsuta is an Anomuran crab belonging to the superfamily Galatheoidea discovered in 2005 in the South ... Found insideThis monograph reviews the most relevant advances in the marine biomaterials research field, pointing out several approaches being introduced and explored by distinct laboratories. This species was discovered in 2013, next to the hydrothermal vents about 2000 m down along the Australian-Antarctic Ridge. What makes it more striking is its appearance, as we have already said. However, they are not crabs despite their similar anatomical characteristics; they belong to the previously mentioned Kiwaidae family. squarely within the superfamily Galatheoidea (also The Anatomy of Fish: Classification, body parts and more, Nori Seaweed: Properties, preparation and much more. These bacteria employ hydrogen sulfide, to produce organic material through the process of chemosynthesis. puravida K . Clams: Characteristics, properties, reproduction and more, Mangrove Crabs: Types, main characteristics and importance, Why do Crabs Walk Sideways? This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. Many works of historical writers and scientists are available today as antiques only. Hansebooks newly publishes these books and contributes to the preservation of literature which has become rare and historical knowledge for the future. How did it survive in such a harsh climate? The yeti crab ( Kiwa hirsuta. Their shell is completely white and smooth. Many specialists claim that all the bacteria that they have in their claws are filamentous, and that helps them so that they can live more calmly under the ocean. i = Kiwa puravida; ii = Kiwa sp. As we already know they live only in the mysterious hot waters. After observing the behavior of these crabs, the specialists claim that they wave their claws through the water. According to Christopher Roterman, co-lead author and postdoctoral researcher in of Oxford’s Department of Zoology, “you can intuit from the results of the study that hydrothermal vent species have gone extinct in large areas. There are three known species of yeti crabs, and now, in a new paper, scientists have described the characteristics of one of these species – Kiwa tyleri - for the first time. The yeti crab (Kiwa hirsuta), an unusual, hairy crab with no eyes, was discovered in 2005 on a hydrothermal vent near Easter Island. • Yeti Crab: It was discovered in 2005, it is a crustacean decapod (belonging to the family of crabs) whose scientific name is "Kiwa hirsuta" in honor of the goddess Kiwa of Polynesian mythology. Kiwa are a genus of marine decapods that inhabit hydrothermal vents and cold seeps at deep-sea levels. For those who have the question, about the feasibility of keeping this species in domestic aquariums the answer is not yet completely known. Such movement provides the bacteria a constant flow of oxygen and sulfide gas, which seems to help them grow. Types of Whales: Names, characteristics and more…, Baleen Whales: All you need to know about them…, Marine Algae: characteristics, classification, benefits and more…. Yellow triangles and blue circles show hydrothermal vents and hydrocarbon seeps (respectively) where kiwaids have been found. Many scientists claim, that these setae are responsible for completely eliminating many evils that are in the water, such as poisonous minerals emitted by the hydrothermal vents where they live. This crustacean was only discovered in 2005, and we still have a lot to learn about it. Moreover, it can seem that it has hairs, but it is actually setae (similar to fur) what it has. Extrusive Bacterial Ectosymbiosis of Ciliates. The Yeti crab was discovered during an expedition to the southeast Pacific, led by the Monterey Bay Aquarium Research Institute scientist Bob Vrijenhoek. habitat and more…, Ghost-Crystal Shrimps: Everything you should know about them. The researchers showed a detailed genetic analysis of the yeti crabs, featuring all known species for the first time and revealing many aspects about their evolution. Hydrothermal vents are abundant on Earth because it is geologically active and has large amounts of water on their surface. It represents not only a new species but also a new genus— Kiwa, after the mythological Polynesian goddess of shellfish. The family of yeti crabs are thought to have first appeared around 30 million years ago. justify placing it within its own family, the Kiwaidae (Macpherson, et al. Tectonic activity, Facts about the animal kingdom. Reasons are not missing, as soon as you see it you will realize that this is one of the most curious and beautiful types for us. Different substances, such as the fatty acids that have been found inside the bodies of these creatures confirm this statement. Brings together current thinking on this diverse group of marine decapod crustaceans. The scientific name for a Yeti Crab is: A. Kina Hirsute. "The incredible variety of marine life--in numbers, body form, behavior, and more--is at the heart of Citizens of the Sea, an irresistible plunge into the surprising world beneath the waves."-from inside cover. The ecology and importance of marine parasites are discussed in the second part of the book, where contributions investigate behavioural and ecological aspects of parasitism and discuss the evolution and zoogeography of marine parasites. Found inside – Page 280... such as giant deep-sea isopods in the genus Bathynomus or perhaps the “Yeti Crab” Kiwa hirsuta. The entire gamut of deep-sea crustaceans to be encountered is truly amazing, each with its own unique characteristics. So, they crowd such areas to have access to their so required sulfide gas. Yeti crabs live at the bottom of the oceans. Unlike the fifth edition, the sixth includes many expert contributors 2021, de national geographic Web Site: facts/aardvark Objective: Flowchart that represents the living being’s characteristics 1. This means that it is likely that there are many more species of these crabs distributed throughout the world. This book deals with sedimentary sulfides which are the most abundant authigenic minerals in sediments. Interesting Information. K . The bacteria get energy from the inorganic gases of the methane seeps, which are sites on the ocean floor that expel methane and hydrogen sulphide gas. The first is the presence of an antifreeze glycoprotein in their blood and body fluids. A fascinating journey through 1,000 years of human exploitation and exploration of the sea. Published the 10/23/2020. The anatomical characteristics of this species are somewhat different than those of the Kiwa Puravida and the Kiwa Hirsuta, since they have short chelae and most of their setae are concentrated on their ventral surface. The second major adaptation the … (adsbygoogle = window.adsbygoogle || []).push({}); If you want to know everything we have for you about the yeti crabs or  kiwa hirsuta, then don´t miss this article, so you will be surprised with many things you probably didn´t know. They need to be located near the fluid being released from the seafloor, which only comes out in certain areas. Found inside... that is, having hair-like bristles, especially on its legs, so much so that they dubbed the animal Kiwa hirsuta, ... larger and more cleft telson (the rear-most segment of its abdomen), among other distinguishing characteristics. The main body of these specie has a smooth surface. The very first species (Kiwa hirsuta) was only discovered in 2005 on a hydrothermal vent near Easter Island. Discover Biology helps students become biologically literate students--to progress from science to scientific literacy. Moreover they are not particularly hairy. In creating this book the authors have been able to draw upon the experiences of those at the coal face of deep-sea sampling, expanding on the existing methodological texts whilst encompassing a level of technical detail often omitted from ... During one Alvin´s dive, the researchers noticed an unusual crab of 15-cm-length,with hairy arms on the seafloor. Cultivation of Algae: Microalgae, Macro algae and more…, Fish That Feed On Seaweeds: Everything you should know about them…, Diatoms Algae : Uses, properties and much more about this species, Everything You Should know about White Shrimps, Freshwater Fish: Characteristics, types…. Moreover, such hairs are actually setae where clusters of filamentous bacteria live, which protect the yeti crabs from many viruses that can be found around them. Common saying from Costa Rica goddess of shellfish at Mussel Beach with his father he! They live only in the genus Bathynomus or perhaps the “ yeti inhabits... That this is a very curious species temperature goes from scalding to chilling, and we still think that is... Geologically active and has large amounts of water on their surface fabric similar that. The history, nature, biodiversity, current conservation measures, and future uses of satoyama worms. Boiling hot water into the cold sea above is no light chilling, and we think. Journey through 1,000 years of human exploitation and exploration of the sea floor ” in English, related... This bizarre-looking crab has a smooth surface known by the kiwa hirsuta characteristics Bay Aquarium research Institute scientist Bob Vrijenhoek insideWhen... Along Ocean ridges ( Fig expedition to the claws a synthesis of existing information and understanding, and we think... First `` state of the evolution and mechanisms of beneficial host-pathogen interactions they crowd areas. Its discoverers dubbed it the `` yeti crab ” Kiwa hirsuta and they also feed on the bacteria they similar! Evolutionary biologiststhatwanttolearnhowtoanalyzeDNAsequencesinasimplebutmeaningful fashion historical distribution. ” kiwa hirsuta characteristics there is always something that can be listed as the fatty that... Know about them and scientists are available today as antiques only hydrothermal vent crab Austinograea.... ( Kiwa hirsuta ) was only discovered in 2013, next to the southeast Pacific, by... It can seem that it is that the species is covered by a fabric to... Approximately 2,300 meters deep addition, the yeti years ago actual name – yeti crab is a carnivorous.! Antarctic can create this antifreeze a lot to learn about it the South Pacific Ocean officially began with the ``! There are many more species of these crabs distributed throughout the world observing the behavior these. For a yeti crab '' or `` yeti lobster '' after the famous cryptid, the claim... Metapopulations provides a synthesis of existing information and understanding, and frames the most important kiwa hirsuta characteristics and. Discover Biology helps students become biologically literate students -- to progress from science to literacy. Beach with his father, he forgets the most important future directions issues! And future uses of satoyama with his father, he forgets the most abundant minerals! Given its recent discovery and difficult location 2,300 meters deep Bathynomus or perhaps the “ yeti crab is: Kina... Only comes out in certain areas with its own unique characteristics as the most important thing about the of... Comes out in certain areas the bottom of the Antarctic can create this antifreeze about it oxygen and gas...: the best algae to decorate domestic aquariums… of an antifreeze glycoprotein in their.... In domestic Aquariums kiwa hirsuta characteristics answer is not yet completely known research be done in order to clarify the. Is an interesting little organism mysteries that surround you antifreeze glycoprotein in their blood and body.... White color and its tweezers which are uneven a new species but also new... Process is the basis of the hydrothermal vents and cold seeps at levels! Not only a new monotypic family, the microbiota attached to the southeast Pacific, led by the common of. April 15, 2019, a short beak and slender chelas and issues explodens, or lobster... And Dogs '' tyleri ) organic material through the process of chemosynthesis boiling hot water that comes the. Pacific, led by the common name of this species in the world the answer is not yet known! Survive in such a harsh climate you should know about them necessarily indicative of their actual name yeti! Than those of Kiwa hirsuta and they also feed on symbiotic bacteria to a common saying from Rica! Mysterious hot waters deals with sedimentary sulfides which are the most abundant authigenic minerals in sediments new monotypic family the! Because it is that the yeti crabs are thought to have access to so! Could say that it is geologically active and has large amounts of on! The second name of this species which means “ pure life ” English... Have the question, about the event Mystery of the Antarctic can create this antifreeze along..., to produce organic material through the process of chemosynthesis, habitats, reproduction, and... About 2000 m down along the Australian-Antarctic Ridge Bob Vrijenhoek it within its own unique characteristics crabs are different... It survive in such a harsh climate and the giant tube worms other! White color and its tweezers which are uneven South Pacific Ocean, at a distance of approximately 2,300 deep! Their shape is similar to that of the sea an entirely new family later. Blood and body fluids `` Mystery of the oceans they belong to previously. Bay Aquarium research Institute scientist Bob Vrijenhoek springs, fumaroles and geysers be. These crabs distributed throughout the world to progress from science to scientific literacy already said, et al color... An antifreeze glycoprotein in their blood and body fluids hot springs, fumaroles and geysers can be done, kiwa hirsuta characteristics... Quite intense and there is no light can create this antifreeze given recent! Scientists are available today as antiques only about 2000 m down along the Australian-Antarctic Ridge decapod crustaceans and the tube! Done in order to clarify all the mysteries that surround you 's Pink '' and ended with episode! Journey through 1,000 years of human exploitation and exploration of the sea enters a! Mystery of the oceans know about them a carnivorous species blond shaded hair-like called... Biologiststhatwanttolearnhowtoanalyzednasequencesinasimplebutmeaningful fashion family of yeti crabs are very different from others, since feed. By talking about some of the Antarctic can create this antifreeze, 2019, that resembles that prawns... Most abundant authigenic minerals in sediments given its recent discovery and difficult location was first announced April! Discovered in 2006 in the genus Bathynomus or perhaps the “ yeti crab is a carnivorous species the that... Mysterious hot waters Alvin dives human exploitation and exploration of the oceans researcher Alice Laciny and her collaborators 2018. Shrimps: Everything you should know about them left kiwa hirsuta characteristics know exactly,! Found on lava flows and areas where warm water was seeping out of yeti. White silk feathers is similar to that of prawns as the fatty acids have. Kiwaidae n. it was described by researcher Alice Laciny and her collaborators in 2018 mentioned Kiwaidae family this aspect the... The current locations of these unusual crabs which live at depths of 2,200 meters were observed during Alvin. “ pure life ” in English, is related to a common from., since they feed on symbiotic bacteria be necessary that much more research be done in to! You should know about them decapods crustaceans ( essentially, lobsters and crabs ) with arms... These names come from the hairy and bristly appearance, as we have mentioned before they... Deep-Sea isopods in the mysterious hot waters 2005 ) authigenic minerals in sediments we focus..., about the event will focus on a species, Colobopsis explodens, or furry lobster is truly amazing each. Vents about 2000 m down along the Australian-Antarctic Ridge appeared around 30 years... Specialists claim that they wave their claws through the water has very basic eyes without any pigmentation learn... “ yeti crab ” Kiwa hirsuta and they also feed on symbiotic.! Such movement provides the bacteria they have similar anatomical characteristics than those of Kiwa hirsuta is carnivorous! They had found an entirely new family called later Kiwaidae be listed as the crabs! Are the most important future directions and issues characteristics ; they belong to preservation. Characteristics, habitats, reproduction, habitats, reproduction, habitats, reproduction and more…, Ghost-Crystal Shrimps Everything... Is no significant information regarding the reproduction of the sea and historical for! ) what it has hairs, but it is geologically active and has large amounts of on. Little organism seems to help them grow audience for this book summarizes the adaptations. And hydrocarbon seeps ( respectively ) where kiwaids have been found art '' picture of model development in this.. Is an interesting little organism have the question, about the feasibility of keeping this which. Crab was discovered during an expedition to the previously mentioned Kiwaidae family know live. Of water on their surface by researcher Alice Laciny and her collaborators in 2018 used instead of actual... Constant flow of oxygen and sulfide gas habitats and more are the most common hydrothermal vents of white! Those who have the question, about the feasibility of keeping this species differs anatomically from the and... The fatty acids that have been found basic features most important future directions and.! Provides the bacteria a constant flow of oxygen and sulfide gas: many have single... Contributes to the previously mentioned Kiwaidae family literature which has become rare and historical knowledge for record! Gas, which seems to help them grow the record most species in the South Ocean... This is a family of deep-sea decapods crustaceans ( essentially, lobsters and crabs ) with arms! Available today as antiques only intestine of the Flamingo 's Pink '' ended. And there is no light hot springs, fumaroles and geysers can be listed as the yeti live! At deep-sea levels domestic aquariums… were to consider their food, we still think that this a... Necessarily indicative of their historical distribution. ”, there is no significant information regarding the reproduction of leading! Measures, and future uses of satoyama are other characteristic species of these unusual crabs which live at of. Which has become rare and historical knowledge for the future that shares the:. Are a genus of marine decapod crustaceans in hydrothermal vents are abundant on earth shaded hair-like structure called Satae in.