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The Borneo shark (Carcharhinus borneensis) is a species of requiem shark, and part of the family Carcharhinidae. Extremely rare, it is known only from inshore waters around Mukah in northwestern Borneo , though it may once have been more widely distributed.
The Borneo river shark is known only from the Kinabatangan River in Borneo. It can reach a length of 78 cm (31 in). Only 13 specimens are known to science, all collected in 1996. Expeditions in 2010 and 2011 failed to find any, and while fishermen recognised the shark, they have not been seen for many years. [4]
Their precise geographic range is uncertain, but the known species are documented in parts of South Asia, Southeast Asia, New Guinea [5] and Australia.Of the three currently described species, the Ganges shark is restricted to freshwater, while the northern river shark and the speartooth shark are found in coastal marine waters, as well.
Borneo shark: Carcharhinus borneensis (Bleeker, 1858) Critically endangered 0.7 m (2.3 ft) Copper shark: Carcharhinus brachyurus (Günther, 1870) Vulnerable 3.3 m (11 ft) Spinner shark: Carcharhinus brevipinna (J. P. Müller & Henle, 1839) Vulnerable 2 m (6.6 ft) maximum 3 m (9.8 ft) Nervous shark: Carcharhinus cautus (Whitley, 1945) Least concern
The Borneo river shark is known only from the Kinabatangan River. [40] In 2010, the World Wide Fund for Nature (WWF) stated that 123 species have been discovered in Borneo since the "Heart of Borneo" agreement was signed in 2007. [41] Logging road in East Kalimantan, Indonesia. The WWF has classified the island into seven distinct ecoregions.
The speartooth shark (Glyphis glyphis) is a rare species of river shark, belonging to the family Carcharhinidae. It inhabits coastal marine waters and tidal reaches of large tropical rivers in northern Australia and New Guinea .
An 18-foot crocodile, known to locals as Brutus, went after a much smaller bull shark in the Adelaide River, and as you can see in these photos, the massive reptile emerged victorious. The ...
The Borneo broadfin shark or broadfin shark (Lamiopsis tephrodes) is a species of requiem shark, and part of the family Carcharhinidae. [1] See also. Sharks portal;