The Bizant River shark (Glyphis sp. A) is an extremely rare and critically endangered large species of river shark that may reach over 8 feet in length, maybe even 10 feet. They can be found in Australia in the Adelaide and Bizant Rivers. They have been found more inshore and in fresh-water. Many believe that the Bizant River shark (Glyphis sp. A) and the Speartooth shark (Glyphis glyphis) are the same species, however there are noticeable differences in the shape of the lower anterior shape, and the size of the sharks.
Family: Carcharhinidae – Requiem sharks
Genus: glyphis
Species: sp. a
Phylum– Chordata
Class– Chondrichthyles
Subclass– Elasmobranchii
Common Name– Ground Sharks
Common Name– Requiem Sharks
Genus– Glyphis
Species– sp. A
Status: IUCN Red List CRITICALLY ENDANGERED
Average Size and Length: Some data suggests that the Bizant River shark could reach as long as 200-300 cm. Past specimens have ranged from 70-131 cm.
Teeth and Jaw: The upper teeth of the Bizant River shark have high broad serrated triangular cusps. The first few lower front teeth are hooked, long and are protruding cusps with entire, un-serrated cutting edges with spear-like tips and small cuspslets.
Head: They have a broad round short snout with very tiny eyes.
Demographic, Distribution, Habitat, Environment and Range: The Bizant River shark, like its name, lives in Australia in the Adelaide and Bizant Rivers. They have been found more inshore and in fresh-water.
Aesthetic Identification: The Bizant River shark is stalky and grey with an inconspicuous pale flank stripe and a dusky pale flank patch. The young have blackish fin margins. There is no interdorsal ridge present. There is an upper longitudinal precaudal pit. The first dorsal fin originates over the rear thirds of the pectoral bases. The second dorsal fin is greater than 3/5 the height of the first and is rather large. The anal fin has a deep notched posterior margin.
Many believe that the Bizant River shark and the Speartooth shark are the same species, however there are noticeable differences in the shape of the lower anterior shape, and the size of the sharks.
Biology and Reproduction: Scientists believe viviparous, but this is still not confirmed.
Bizant River Shark Future and Conservation: The Bizant River shark is a very rare and critically endangered species. It is threatened by fishing and habitat degradation.
Bizant River Shark Recorded Attacks on Humans: No threat or danger to humans.