Very little is known about the Glyphis Shark. This article is only an excerpt. 45335). The Animal Diversity Web team is excited to announce ADW Pocket Guides! Zootaxa 1233: 53–68 Pillans RD, Stevens JD, Kyne PM, Salini J (2009) Observations on the distribution, biology, short-term movements and habitat requirements of river sharks Glyphis spp. Status: IUCN Red List CRITICALLY ENDANGERED. The first dorsal fin originates over the rear ends of the of the pectoral bases. Search for an endangered species profile. This species is also known by the following name(s): Northern River Shark. Their precise geographic range is uncertain, but the known species are documented in … DNA River sharks remain one of the great mysteries of nature; only a handful of river sharks have ever been captured, and few have ever been observed in their natural habitat. A and Glyphis sp. Discovered in 2002, there are thought to be only around 250 adults in the wild. Glyphis is a genus of shark in the requiem shark family. The Speartooth shark belongs to the family Carcharhinidae. Would you like to receive a notice and link when the Surveys targeting freshwater and estuarine elasmobranchs in northern Australia (Western Australia, Northern Territory, Queensland) in mid-late 2002 collected no Glyphis nov., a new species of river shark (Carcharhiniformes: Carcharhinidae) from northern Australia and Papua New Guinea, with a redescription of Glyphis glyphis (Müller & Henle, 1839), CSIRO Marine and Atmospheric Research Paper, 22: 203–226 ADW Pocket Guides on the iOS App Store! White and P.R. If it appears incomplete or if you wish to see article references, visit the rest of its contents, Eight Inexpensive Ways You Can Help Endangered Species. It’s found in and around Myanmar (Burma) in the Irrawaddy River, one of the countries largest and and most important commercial waterway that flows north to south. A rare greyish shark with the grey colour extending about one eye diameter distance below the eye, no dark blotch on the pelvic-fin tips, small eyes and a broadly-rounded snout, and the second dorsal fin about equal to or more than half the height of the first dorsal fin and positioned above the anal fin. Average Size and Length: The only known specimen of the Irrawaddy River shark was 60 cm long, and scientists believe that they could possibly reach 100 to 300 cm. Species Glyphis garricki Northern river shark. The second dorsal fin is about half the height of the first anal fin. Commonly referred to as River Sharks, the three species in this genus live in South and Southeast Asia, as well as Papua New Guinea and Australia. Species Glyphis siamensis Irrawaddy river shark. It lives in a wide range of … Pillans RD, Stevens JD, Kyne PM, Salini J. Observations on the distribution, biology, short-term movements and habitat requirements of river sharks Glyphis spp. Find out how Jeremy felt about the incredible experience. games and coloring pages! It is extremely rare, and critically endangered. Aesthetic Identification: The Irrawaddy River shark has a stocky build. Scientific name: Glyphis glyphis; Size Range: Common length — 59–300cm; Size limits on takes: No take; Possession limits on takes: No take; Speartooth sharks are protected throughout Queensland and are therefore prohibited from being in anyone's possession without a permit. Closely related, is the New Guinea River Shark (Glyphis garricki), which is thought to be even rarer at less than 250 surviving individuals and occupies a similar area. Research success it lives in rivers or estuaries. 2003). The Irrawaddy River shark (Glyphis siamensis) is a river shark in the family Carcharhinidae. B) 12. Bull Sharks :: MarineBio Video Library Bull sharks, Carcharhinus leucas (Müller and Henle, 1839), aka zambezi, ganges (often confused with the Ganges river shark, Glyphis gangeticus), ground sharks, river sharks, freshwater whalers, estuary whalers, shovelnoses, slipway greys, and swan river whalers, are massive and fearsome sharks with a short, broad, blunt snouts, small eyes, and triangular saw-edged upper teeth. in northern Australia. List of all endangered species (animals & plants). Glyphis. At the time, under 20 had been caught. Status: IUCN Red List CRITICALLY ENDANGERED. Glyphis glyphis (Müller & Henle, 1839) and . It is one of the rarest animals on earth, as scientists estimate that only around 200 live in Oceania, and hence in the world. The Irrawaddy river shark is native to the Eastern Indian Ocean. Help us improve the site by taking our survey. 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