PDF | On Jan 1, , Gawsia Wahidunnessa Chowdhury and others published Status of the Ganges River Shark Glyphis gangeticus (Müller & Henle, ). A rare contemporary record of the Critically Endangered Ganges shark Glyphis gangeticus. Jabado RW(1), Kyne PM(2), Nazareth E(3), Sutaria. Description, classification, synonyms, distribution map and images of Glyphis gangeticus – Ganges shark.
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Although sharks are currently caught in the Ganges system P. Megachasma Megamouth shark M. Newborn specimens are from 56 to 61 cm long. The teeth of the Ganges shark appear more suitable for fish -impaling and less useful for dismembering tough mammalian prey than the very stout teeth of the bull shark.
Status and potentialities PDF. Ichythological Society of Taiwan. The fresh-water shark of Jamoer Lake. Such small sharp teeth are more suitable for fish-impaling and less useful for dismembering tough mammalian prey than the stout teeth of the bull shark. In Sharks and survival, edited by P. Expeditions in and failed to find any, and while fishermen recognised the shark, they have not been seen for many years. You can continue searching for Glyphis gangeticus on one of these Web sites:.
The anal fin is slightly smaller than the second dorsal fin and the pectoral fins are broad.
Although Garrick had not examined specimens of leucas from the Indian subcontinent, the writer found leucas material from Cochin and Bombay as well as the Hooghly specimen. In comparison with Carcharhinus leucasGlyphis gangeticus has much narrower, higher, upper teeth and slender-cusped, less heavily built lower teeth.
The elusive Ganges shark has been famed and fabled for its occurrence in fresh water as well as for its bloody reputation as a maneater there. Retrieved 6 December Pseudocarcharias Crocodile shark P. Leading shark expert Leonard Compagno emphasised the need to check the dentition and the dorsal fin proportions to confirm the specimen as G.
An annotated and illustrated catalogue of shark species known to date.
A typical requiem shark in its external appearance, it is stocky, with two spineless dorsal fins and an anal fin. An annotated and illustrated catalogue of shark species known to date.
A poorly known freshwater riverine and possibly inshore marine and estuarine shark. These factors make the Ganges shark populations vulnerable to even relatively low levels of exploitation, such as sport angling or gill netting. It is also quite uncertain how well the Ganges shark is adapted to fresh water, or for that matter, how well it can live in sea water.
Marine Species Identification Portal : Ganges shark – Glyphis gangeticus
However, the Ganges shark may eventually have to pass on much or all of its notoriety to the more prosaic but perhaps more dangerous and formidable bull shark. Academica Sinica, Taipei, Taiwan. Originally, the species was assigned a wide range in the Indo-West Pacific, but this was found to be mostly based on other species of requiem sharks, particularly members of the genus Carcharhinus. Despite fishing and scientific surveys in the area, no more Irrawaddy river sharks have been recorded in the plus years since the first.
Mitsukurina Goblin shark M. Glypphis Roughskin spurdog C. Order Heterodontiformes Bullhead sharks. First few anterior teeth in lower jaw with cutting edges along entire cusp glypjis, giving the cusps a clawlike shape, and low cusplets ganfeticus second dorsal lower, about half the gangetkcus of first dorsal. In other projects Wikimedia Commons Wikispecies. It is probably viviparouswith a yolk-sac placenta speculation through analogy to related species of carcharhinids.
It has internal nictitating eyelids. Retrieved 10 December Government of India Ministry of Environment and Forests.
Gland, Switzerland and Cambridge, UK: The minute eyes of the Ganges shark, along with other Glyphis sharks, suggests that the entire group may be adapted to turbid water with poor visibility, as in large tropical rivers and muddy estuaries. This confirmed Garrick’s recognition of the speciesbut sheds little additional light on its biology. Chiloscyllium Arabian carpetshark C.
Bombay Natural History Society. Sharpnose sevengill shark H. The Borneo river shark is known only from the Kinabatangan River in Borneo. It is uniformly grey to brownish in color, with no discernible markings. ReefQuest Centre for Shark Research. Howard International Hotel, Taipei, Taiwan. Oxynotus Prickly dogfish O.
Anderson, 4 April as the true gangeticus specimen; but this turned out to be the circumtropical bull shark, Carcharhinus leucas. A widespread, albeit widely dispersed, artisanal fishery exists for both local consumption and international trade.