New Guinea River Shark (뉴기니아 리버 샤크)
New Guinea River Shark(Glyphis sp. C)
Length : 200cm
Description
The New Guinea river shark is a scientifically undescribed shark of the
family Carcharhinidae. Only nine specimens have ever been collected :
an immature female taken about 100km up the Adelaide River,
Northern Territory, Australia, in 1989 ; an adult male taken
some 60km up the South Alligator River, Papua New Guinea,
in 1996 ; and in 1999, five females and two males from the East, West
and South Alligator Rivers, in brackish water with salinity ranging from 6 to 26 ppt.
Range
Adelaide River in the Northern Australia, South Alligator River in the Papua New Guinea.
Physical Appearance
The rare and little-known New Guinea river shark is large and slender with
a rather flat head. It has a broadly rounded short snout and tiny eyes.
The anal fin has a deeply concave posterior margin.
Coloration is an unpatterned grey.
Reproduction
Viviparous, with three to eight pups per litter.
Status : IUCN ; Endangered