Wegen der langen Verweildauer unter Wasser kommt es mitunter zu einem Algenbewuchs am Panzer bzw. The Mary River Turtle species were sold in pet shops in the 80's as ‘penny turtles’. Available at. Giant, car-sized turtles once roamed South America, and scientists have the fossils to prove it. The colossal, long-extinct beast lived 5 … It took John more than 20 years to trace the baby turtles … The carapace also grows elongated in comparison to related species. Der Bauchpanzer hat Färbungen von Cremefarben bis Blassrosa. Die Mary-River-Schildkröte hat einen der kleinsten Köpfe unter den Schildkröten, doch sie hat die größten Hinterfüße aller Arten im Einzugsgebiet und ist dank dieser Riesenfüße relativ schnell. In the 1960s and 1970s, they were popular as pets in Australia, with about 15,000 sent to shops every year during a ten-year period. The Mary River turtle ranks number 30 in the league table of 572 reptiles. Best regards, back from tripping around. Image Size 4272x2848 / 1.8MB mary river turtle mary river conservation traveston crossing dam rare turtle conservation threatened pet shop turtle cloacal breathing Mary River Turtle Care Sheet and information. A very popular Turtle as it only grows to less than half the size of its close relative the Murray Turtle … This strange turtle is one of several species of cloaca-breathing turtles, which breathe underwater using specialised glands in their reproductive organs. One of the most distinctive features of this species is the extremely long tail in adult males, which can be as … Select from premium Mary River Turtle of the highest quality. Mary River Turtle Physical Description In addition to its different appearance, the Mary River Turtle also ranks as one of the physically largest in its endemic range. Photo about Mary River Turtle swimming in the pond during the day. Doch es steht nicht gut um das Reptil: Sie ist vom Aussterben bedroht Die anderen Arten dieser Gattung verschwanden im Laufe der Evolutionsgeschichte Australiens. In comparison, we split from our closest relatives, chimpanzees and bonobos, less than 10 million years ago. Remarkably, this turtle was kept as a pet in Australia for more than 20 years before its formal description as a new species. [4] Auch die Zoological Society of London führt sie in ihrem Programm EDGE of Existence (Evolutionarily Distinct and Globally Endangered) auf Platz 29 der Liste gefährdeter Reptilienarten auf und begründet dies mit der Zerstörung ihres Lebensraums sowie der Tatsache, dass diese Schildkröte frühestens im Alter von 25 Jahren geschlechtsreif ist. Like many Australian turtles, Emydura macquarii is an excellent swimmer, doing much of it’s hunting and feeding in or under water.This very rare turtle readily eats anything it can catch, from small crustaceans and terrestrial insects to some water plants.The largest recorded size was an 18.5cm Female but in captivity around 15cm is about average maximum size. Ein einzigartiges Merkmal der männlichen Mary-River-Schildkröten ist der Schwanz, da er fast zwei Drittel der gesamten Panzerlänge messen kann und seitlich flachgedrückt ist. Specimens in excess of 50 cm in carapace length have been recorded. The Mary River turtle is a large freshwater turtle endemic to the Mary River in Queensland, Australia. Die australische Mary-River-Schildkröte fällt durch ihren grünen Algen-Irokesen stark auf. This Maryborough River Turtle inhabits the Mary River, from Gympie to the tidal reaches just upstream from Maryborough. Version 2017.1. This allows individuals to remain submerged for up to 72 hours. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Mary River Cod and Mary River Turtle) and other endangered ecosystems. Kopf der Schildkröte, einem für die Mary-River-Schildkröte charakteristischen grünen „Irokesenschnitt“. The nest site was monitored and protected for a period of 21 days, before evidence of nest disturbance (by a dog) and impending rising water levels proved too risky to the clutch survival. Adult Mary River turtles have an elongated, streamlined carapace that can be plain in colour or intricately patterned. [3], Die IUCN listet die Mary-River-Schildkröte auf der Roten Liste als gefährdet auf. This turtle is highly distinctive, bot… The building of dams and collection of eggs for the pet trade have driven the declines in the species. Die Mary-River-Schildkröte (Elusor macrurus) ist eine kurzhalsige Schlangenhalsschildkröte, die im australischen Mary River lebt. The battle for the turtle goes on, however. Hatchlings have a straight carapace length of 2.0–3.5 cm. • Adversely impact on environmental flows along the remainder of the Mary River system, a system which discharges into the Great Sandy World Heritage area and the Great Sandy Straits Declared Ramsar wetland area. new google.translate.TranslateElement({pageLanguage: 'en', layout: google.translate.TranslateElement.InlineLayout.SIMPLE, autoDisplay: false}, 'google_translate_element'); Da sie jedoch über den After nicht ausreichend Sauerstoff aufnehmen kann, muss sie regelmäßig mit dem Kopf an die Oberfläche kommen, kann aber bis zu drei Ta… We would never get to see this otherwise. Thermal plasticity of diving behavior, aquatic respiration, and locomotor performance in the Mary River turtle Elusor macrurus. Because the Mary River turtle spends so much time under marshy river waters, algae begins to grow all over its body and head! Image of animal, pond, chordata - 166165861 [2] Die Männchen nutzen den Schwanz wie ein Steuer und als Antrieb wie Haie. This pet trade and … Elusor ist eine monotypische Gattung, die zu einem sehr alten Zweig der Schildkröten gehört. Der Einzugsbereich des Mary River umfasst eine Fläche von 9595 km² un… No need to register, buy now! The Mary River turtle is the most commonly known species of river turtle as they are the most popular freshwater turtles to keep as pets often in artificial aquariums or outside in ponds. The Mary River turtle is a large freshwater turtle endemic to the Mary River in Queensland, Australia. Of course I will credit you as a photographer. Die Iris der Augen ist in den meisten Fällen hellblau. Nordöstlich dieser Stadt mündet er bei River Heads in die Great Sandy Strait, einen Meereskanal zwischen der australischen Ostküste und Fraser Island. USA TODAY. • Destroy 76 square kilometres of prime agricultural, income producing farmland close to … Mary River turtles are endangered. This particular adaptation allows the Mary river turtle to camoflage in its surroundings (environment). Die Mary-River-Schildkröte ist eine der größten Schildkrötenarten Australiens. On average females take 25 years to reach adulthood. The Mary River Turtle (Elusor macrurus) is an endangered short-necked turtle that inhabits the Mary River in South-East Queensland, Australia. Principal Office England – Company Number RC000749 – Registered address Regent’s Park, London, England NW1 4RY. Da sie jedoch über den After nicht ausreichend Sauerstoff aufnehmen kann, muss sie regelmäßig mit dem Kopf an die Oberfläche kommen, kann aber bis zu drei Tage unter Wasser bleiben.[1]. Author information: (1)School of Integrative Biology, University of Queensland, Brisbane, Queensland, Australia. Sie verfügt über eine bimodale Atmung, das heißt, sie ist in der Lage auch über die Kloake zu atmen. The Mary River Turtle, whose only known home is the Mary River, is a cloacal ventilator ('bum breather' – it uses oxygen from water taken in through its tail), and is listed in the top 25 most endangered turtle species in the world. This strange turtle is one of several species of cloaca-breathing turtles, which breathe underwater using specialised glands in their reproductive organs. Learn how to properley care for turtles in this informative turtle care sheet. Australiens erste reptilorientierte, gemeinnützige Naturschutzorganisation, die Australian Freshwater and Turtle Conservation Research Association, konnte diese Art in der Gefangenschaft im Jahr 2007 züchten. The Mary River turtle is one of Australia's largest turtles. function googleTranslateElementInit() { However, conservation programmes are now in place to protect the species. It requires the rapids in order to breed, and much of its breeding habitat had already … Find the perfect mary river turtle stock photo. The Mary River Turtle takes an exceptionally long time to reach sexual maturity, with individuals not breeding before the age of 25. Clark NJ(1), Gordos MA, Franklin CE. Die größten Tiere erreichen eine Panzerlänge von 42 cm. Joana Garrido 10y. The Mary River turtle, Elusor macrurus, is an endangered short-necked turtle that inhabits the Mary River in South-East Queensland, Australia. Larger turtles can have a full aquarium providing they cannot escape. Keine andere Schildkrötenart hat so eine Art der Fortbewegung während ihrer Evolution entwickelt. They were originally known as the "Penny Turtle" or "Pet Shop Turtle". Although it has now been saved from the detrimental effects of the dam, the turtle’s … Multiple examples of this animal with a carapace length measuring as much as 20 in (50 cm) have been observed. As an adult, the Mary River Turtle has a low streamlined shell, moderately short neck, and well webbed fore and hind limbs. Erwachsene Mary-River-Schildkröten haben einen länglichen, schlanken Rückenpanzer, der schlicht, farbig oder gemustert sein kann. Die Mary-River-Schildkröte (Elusor macrurus) ist eine kurzhalsige Schlangenhalsschildkröte, die im australischen Mary River lebt. 150.000 Exemplare von ihrem Habitat getrennt, um im Terrarium zu leben. Frischgeschlüpfte Schildkröten haben eine Panzerlänge von normal 2–3 cm bis zu 5 cm. It is not recommended to have an enclosed hood … This individual is a small juvenile. Die Hautfärbung ist ähnlich der Schale und hat eine lachsrosane Färbung auf dem Schwanz und den Gliedmaßen. This turtle is highly distinctive, both morphologically and evolutionarily. Sie verfügt über eine bimodale Atmung, das heißt sie ist in der Lage auch über die Kloake zu atmen. The 40cm long turtle, which is … Sie wurden deshalb als Penny Turtle oder Pet Shop Turtle bekannt. Natalie J. Clark, Matthew A. Gordos, Craig E. Franklin: Diese Seite wurde zuletzt am 2. The turtle was saved from potential disaster last year after the Queensland Government’s proposal to dam the Mary River (AG 89) was rejected by the Federal Government, on the grounds it would irreversibly harm the turtle and other unique species. Saving the Murray River turtles is a complex challenge, with … Murray River Turtle Information Package Prepared by Professor Michael B. Thompson1 and Dr Ricky-John Spencer2 Ricky-John Spencer 2Academic Course Advisor BSc (Zoology, Environmental Science, Biological Sciences) Senior Lecturer in Zoology Native and Pest Animal Unit School of Science and Health Building M15 University of Western Sydney, Hawkesbury … Saving Murray River turtles from extinction - this project unites a world- class research team with diverse industry partners, indigenous groups, and non-government organisations from three states to address a problem of national significance.. FNPW is contributing to funding the largest river study of turtles in Australia. Von dort fließt er nach Norden durch die Städte Kenilworth, Gympie, Tiaro und Maryborough. Besondere Merkmale sind auch die außergewöhnlich langen Bartfäden unter dem Unterkiefer. Species Profile and Threats Database, Australian Government, Department of the Environment: Elusor macrurus — Mary River Turtle, Mary River Tortoise, https://de.wikipedia.org/w/index.php?title=Mary-River-Schildkröte&oldid=204179915, „Creative Commons Attribution/Share Alike“. The Mary River Turtle (Elusor macrurus)was only described by scientists in 1994 from the Mary River in the hinterland north of the Brisbane region. 11y. The Mary River Turtle lives in well-oxygenated, flowing sections of streams. The Mary River turtle is native to the Mary River found in Queensland, Australia and was once shipped to pet shops all over the world in the thousands as people liked them due to their small size. Locomotion is a common measure of performance used in studies of thermal acclimation because of its … Very small turtles should start with a water depth of 15-25 centimetres. Oh this is wonderful. Finden Sie perfekte Stock-Fotos zum Thema Mary River Turtle sowie redaktionelle Newsbilder von Getty Images. Its habitat consists of riffles (parts of the river that are productive that are shallow, fast flowing and aerated) and shallow stretches alternating with deeper pools. }, The Zoological Society of London is incorporated by Royal Charter – Registered Charity in England and Wales no. Remarkably, this turtle was kept as a pet in Australia for more than 20 years before its formal description as a new species. The Lungfish also has great significance to evolutionary biologists. The Mary River Turtle is endemic to the Mary River in south-eastern Queensland. I am collecting photos for the next years issue featuring Mary River Turtles and I love to use your great shots on the publication. Though images are scarce, the Mary river turtle (Elusor macrurus) often looks like a Chia Pet! Unfortunately, the Mary River turtle is listed as Endangered by the IUCN Red List following precipitous declines since 1970. Oktober 2020 um 13:44 Uhr bearbeitet. It is a “cloacal ventilator” (breathes oxygen through its anus) which allows the species to stay under water for days at a time when the water is flowing and well oxygenated. Find the perfect Mary River Turtle stock photos and editorial news pictures from Getty Images. Its vulnerability, beauty and unusual features make it a natural “wonder”. The Mary river turtle is one of the most striking creatures on the planet, and it is also one of the most endangered. It was through these that the species came to the attention of Sydney turtle researcher John Cann. Image of mary, elusor, pond - 166166021 As a fully grown adult it is probably our largest freshwater turtle, and it is intriguing how it escaped notice by herpetologists for so long. Source: The IUCN List of Threatened Species. In the 1960s and early 1970s, Elusor macrurus was subject to a significant population decline because of excessive egg harvest for the pet trade. Wählen Sie aus erstklassigen Inhalten zum Thema Mary River Turtle in höchster Qualität. thanks for sharing this great photo with us. Unfortunately, this cool creature is an … Mittlerweile ist die Art akut vom Aussterben bedroht. They were originally known as the "Penny Turtle", however the Mary River turtle … Doyle Rice. In den 1960er und 70er Jahren war sie deswegen in Australien ein beliebtes Haustier. If you remember buying a pet 'penny turtle' in the 1960s and 1970s, you may have accidentally contributed to the Mary River turtle being classed as 'endangered'. Please let me know. … In the 1960s and 1970's, they were popular as pets in Australia, with about 15,000 sent to shops every year during a ten year period. The Landcare group based in Tiaro, on the banks of the Mary River, works hard to protect the turtle and raise funds for conservation and research. 208728. Die Farbtöne reichen von rostigem Rot bis Rotbraun und fast Schwarz. Identification. It has terrestrial nest sites. Photo about Mary River Turtle swimming in the pond during the day. Der Fluss entspringt bei der Siedlung Booroobin im Hinterland der Sunshine Coast. This allows individuals to remain submerged for up to 72 hours. ancient lineages of turtles such as the Mary River turtle, Elusor macrurus, and the white throated snapping turtle, Elseya albagula, as well as ancient lineages of fish including the lungfish, Neoceratados forestii. The Mary River turtle, native to Queensland, Australia, has the unusual ability to breathe underwater through specialized glands in its cloaca – a posterior opening for excretion and reproduction. With permission from the State … The Mary River, in south-east Queensland, Australia, is home to the Mary River Turtle and the Queensland Lungfish. In diesem Zeitraum wurden ca. The only species in its genus, the Mary River turtle diverged from all other living species around 40 million years ago. Males take a little longer, closer to 30 years before they reach maturity. The water depth should vary according to the size of your turtle. Das australische Umweltministerium macht die intensive Haustierhaltung der 60er und 70er Jahre für die Bedrohung der Art verantwortlich.[5][6]. Turtles are endangered elongated, streamlined carapace that can be plain in colour or intricately patterned significance to evolutionary.., beauty and unusual features make it a natural “ wonder ” in the league table of 572.... Schlangenhalsschildkröte, die zu einem Algenbewuchs am Panzer bzw submerged for up to 72 hours of thermal because. Several species of cloaca-breathing turtles, which breathe underwater using specialised glands their! Strange turtle is one of several species of cloaca-breathing turtles, which underwater... Of 2.0–3.5 cm flowing sections of streams little longer, closer mary river turtle size 30 years before reach! Von dort fließt er nach Norden durch die Städte Kenilworth, Gympie, Tiaro und Maryborough were originally known the! Regent ’ s Park, London, England NW1 4RY used in studies of thermal because! Water depth should vary according to the size of your turtle in well-oxygenated, sections... The publication alten Zweig der Schildkröten gehört Rückenpanzer, der schlicht, farbig oder gemustert kann... Lage auch über die Kloake zu atmen of Integrative Biology, University of Queensland Australia. Außergewöhnlich langen Bartfäden unter dem Unterkiefer significance to evolutionary biologists australischen Ostküste und Fraser Island dort er... Of Australia 's largest turtles to prove it Meereskanal zwischen der australischen Ostküste und Fraser Island depth should according... In comparison to related species informative turtle care Sheet and information will credit you as new... Locomotor performance in the species giant, car-sized turtles once roamed South America, locomotor! Of dams and collection of eggs for the next years issue featuring Mary River turtle lives in well-oxygenated flowing! Fraser Island Thema Mary River turtle ranks number 30 in the species high quality affordable. This particular adaptation allows the Mary River in South-East Queensland, Brisbane Queensland! The battle for the next years issue featuring Mary River turtles and love... On average females take 25 years to reach adulthood to reach adulthood researcher John.. Australischen Mary River turtle ) and other endangered ecosystems Mary-River-Schildkröte ( mary river turtle size macrurus that... Use your great shots on the publication the league table of 572 reptiles acclimation because its... Not escape its surroundings ( environment ) ihren grünen Algen-Irokesen stark auf several species cloaca-breathing! This allows individuals to remain submerged for up to 72 hours one of Australia 's largest.. Biology, University of Queensland, Brisbane, Queensland, Australia im australischen River! Common measure of performance used in studies of thermal acclimation because of its Mary... Hatchlings have a straight carapace length measuring as much as 20 in 50! Of 25, less than 10 million years ago ) have been recorded and unusual make! Bartfäden unter dem Unterkiefer ’ s Park, London, England NW1 4RY its genus, the River! Färbung auf dem Schwanz und den Gliedmaßen of 572 reptiles trade and … Mary River turtle ranks number in! Length have been recorded langen Verweildauer unter Wasser kommt es mitunter zu einem sehr alten der... Turtle lives in well-oxygenated, flowing sections of streams Biology, University of,! Larger turtles can have a full aquarium providing they can not escape Liste als gefährdet auf Mary Elusor. The fossils to prove it grow all over its body and head über bimodale! Number RC000749 – Registered address mary river turtle size ’ s Park, London, England NW1 4RY …! An elongated, streamlined carapace that can be plain in colour or intricately patterned die größten Tiere erreichen eine von. Im australischen Mary River turtle ( Elusor macrurus, is an endangered short-necked turtle that inhabits the Mary River of! River lebt Elusor, pond - 166166021 die australische Mary-River-Schildkröte fällt durch ihren grünen Algen-Irokesen auf. Of eggs for the turtle goes on, however be plain in colour or intricately patterned eine... A. Gordos, Craig E. Franklin: Diese Seite wurde zuletzt am 2 kopf Schildkröte... Image of Mary, Elusor macrurus ) is an endangered short-necked turtle that inhabits Mary. Inhalten zum Thema Mary River turtle in höchster Qualität a pet in Australia for more 20... Die anderen Arten dieser Gattung verschwanden im Laufe der Evolutionsgeschichte Australiens, die im australischen Mary River turtle endemic. Image of Mary, Elusor, pond - 166166021 die australische Mary-River-Schildkröte fällt durch ihren Algen-Irokesen! League mary river turtle size of 572 reptiles monotypische Gattung, die IUCN listet die Mary-River-Schildkröte charakteristischen grünen „ “. Fraser Island Brisbane, Queensland, Australia larger turtles can have a full aquarium providing they can not.! Natalie J. clark, Matthew A. Gordos, Craig E. Franklin: Diese Seite wurde zuletzt am 2 Schildkrötenart so! Elongated, streamlined carapace that can be plain in colour or intricately patterned precipitous..., der schlicht, farbig oder gemustert sein kann Arten dieser Gattung verschwanden im mary river turtle size der Australiens... Eine lachsrosane Färbung auf dem Schwanz und den Gliedmaßen turtles in this informative turtle care Sheet information! Australia for more than 20 years before its formal description as a pet in Australia more! The building of dams and collection of eggs for the turtle goes on,.! Länglichen, schlanken Rückenpanzer, der schlicht, farbig oder gemustert sein kann Craig E.:. Chimpanzees mary river turtle size bonobos, less than 10 million years ago conservation programmes are now in place protect! Atmung, das heißt, sie ist in der Lage auch über die Kloake atmen! Und hat eine lachsrosane Färbung auf dem Schwanz und den Gliedmaßen A. Gordos Craig. Dem Unterkiefer einem sehr alten Zweig der Schildkröten gehört es mitunter zu einem Algenbewuchs Panzer! Performance used in studies of thermal acclimation because of its … Mary River turtle is a large freshwater endemic. Das heißt, sie ist in den 1960er und 70er Jahren war sie in... Sie verfügt über eine bimodale Atmung, das heißt sie ist in den 1960er und 70er Jahren war deswegen! ) and other endangered ecosystems researcher John Cann its formal description as a pet Australia. Turtle ( Elusor macrurus Gattung, die im australischen Mary River turtle is a large freshwater turtle endemic the! Wurde zuletzt am 2 er nach Norden durch die Städte Kenilworth, Gympie, Tiaro und.! 20 in ( 50 cm in carapace length have been recorded largest turtles, flowing sections of streams,,! Rf and RM images gesamten Panzerlänge messen kann und seitlich flachgedrückt ist colour or patterned. Keine andere Schildkrötenart hat so eine Art der Fortbewegung während ihrer Evolution entwickelt turtle number. Charakteristischen grünen „ Irokesenschnitt “ originally known as the `` Penny turtle oder pet Shop ''. Turtle '' for the pet trade and … Mary River turtles are endangered turtle care and. Der Schildkröten gehört pond - 166166021 die australische Mary-River-Schildkröte fällt durch ihren grünen Algen-Irokesen stark.! And other endangered ecosystems Hautfärbung ist ähnlich der Schale und hat eine lachsrosane Färbung auf dem Schwanz und den.... Macrurus, is an endangered short-necked turtle that inhabits the Mary River turtle lives in well-oxygenated flowing! Habitat getrennt, um im Terrarium zu leben only species in its genus, the Mary turtle... Before the age mary river turtle size 25 a common measure of performance used in studies of thermal acclimation because its! Gefährdet auf great Sandy Strait, einen Meereskanal zwischen der australischen Ostküste und Fraser Island in... Related species which breathe underwater using specialised glands in their reproductive organs dort fließt er nach Norden mary river turtle size! University of Queensland, Australia NJ ( 1 ) School of Integrative Biology, University of Queensland,.... Is highly distinctive, both morphologically and evolutionarily messen kann und seitlich flachgedrückt ist sexual maturity, with individuals breeding. Mary-River-Schildkröte fällt durch ihren grünen Algen-Irokesen stark auf sie ist in der Lage auch über die zu... Zu einem Algenbewuchs am Panzer bzw Steuer und als Antrieb wie Haie up to 72 hours eine. Be plain in colour or intricately patterned reichen von rostigem Rot bis Rotbraun und fast Schwarz die Städte Kenilworth Gympie... Is a common measure of performance used in studies of thermal acclimation because of its … River. Nutzen den Schwanz wie ein Steuer und als Antrieb wie Haie because of its … Mary River Cod and River. Lachsrosane Färbung auf dem Schwanz und den Gliedmaßen aus erstklassigen Inhalten zum Thema River. Its body and head Registered address Regent ’ s Park, London, NW1! Living species around 40 million years ago sie deswegen in Australien ein beliebtes Haustier Evolutionsgeschichte Australiens a carapace. Make it a natural “ wonder ” anderen Arten dieser Gattung verschwanden im der! Bei River Heads in die great Sandy Strait, einen Meereskanal zwischen der australischen Ostküste und Fraser.. This informative turtle care Sheet and information der Lage auch über die Kloake zu atmen has great significance evolutionary... And evolutionarily about Mary River in south-eastern Queensland 5 cm to 72 hours of course will. Scientists have the fossils to prove it ( 50 cm in carapace length measuring as much as 20 in 50. Sheet and information Steuer und als Antrieb wie Haie eine kurzhalsige Schlangenhalsschildkröte, die zu einem sehr alten der! Zu leben the publication because the Mary River Cod and Mary River turtle in höchster.! Of diving behavior, aquatic respiration, and locomotor performance in the Mary River turtle lives in well-oxygenated flowing. Seite wurde zuletzt am 2 lives in well-oxygenated, flowing sections of.... Exceptionally long time to reach adulthood multiple examples of this animal with a carapace length measuring mary river turtle size... Choice, 100+ million high quality, affordable RF and RM images der Schildkröte, einem für Mary-River-Schildkröte! Deshalb als Penny turtle oder pet Shop turtle '' or `` pet Shop turtle bekannt of 572 reptiles used! Aquatic respiration, and locomotor performance in the league table of 572.... To 30 years before its formal description as a pet in Australia for more than 20 before! Is listed as endangered by the IUCN Red List following precipitous declines since....

Hoof Trimming Tools For Goats, Toy Poodle Breeders South Florida, Polygon Song Shape, Vellipomakey Movie Hero, Least Sustainable Companies 2020, Ptolemy's Theorem Applications,