Facts about Japanese Sawshark, Japanese Sawshark (Pristiophorus japonicus) The Japanese Sawshark is a variety of Sawshark that belongs to the Pristiophoridae family. The Japanese Sawsharks are largely found in the northwest Pacific Ocean around Japan, northern China and Korea. The Japanese Sawshark normally found over the muddy or sandy bottoms of the continental shelf at a deepness that ranges from 165 to 2625 feet (50 m to 800 meters). The Japanese Sawshark breed may vertically travels in the water column, owing to alterations in temperature.
Appearance of Japanese Sawshark
The Japanese Sawshark breed appears with a maximum body length of 4 feet 5 inches (1.36 meters). The Japanese Sawshark breed has an elongated, slender rostrum. Its primary dorsal fin initiates at the back of the tips of the pectoral fins, and the caudal fin of the Japanese Sawshark breed is angled approximately straight in a row with the body. The long nose of the Japanese Sawshark makes up 20% of the entire length of its body. The scales of the Japanese Sawshark breed offer necessary protection against predators, wound and external parasites. They as well, offer the reduction of a haul from friction during swimming.
Diet of Japanese Sawshark
The Japanese Sawshark breed feeds on tiny organisms that hide in the sand or mud of the ocean. The breed uses its thin-skinned Barbels to dig the bottom with its nose and find appropriate morsels of food. The diet of the Japanese Sawshark breeds includes squid, fish, shrimp and further crustaceans.
Reproduction of Japanese Sawshark
Similar to all Sawsharks, this Japanese Sawshark variety is ovoviviparous. Subsequent to the gestation period of 12 months, the female sharks give birth to 12 pups. The Japanese Sawshark pups have a body length of 11 13/16 (30 cm). At sexual adulthood, the male Japanese Sawshark has a body length ranges from 31 to 39 1/2 inches (80 cm to 100 cm), whereas the females attain a body length of (100 cm).
The major predators of the Japanese Sawshark are humans, and its flesh is particularly admired in Japan, where it is habitually used as a constituent in a fish cake. The Japanese Sawshark breeds are not considered threatened or endangered species. Though the lifespan of the Japanese Sawshark breeds is unclear, it is estimated that that they live up to 30 years.
There are over 400 types of sharks, Sharks have the most powerful jaws on on earth. Japanese Sawsharks jaws, both the upper and lower jaws move. Japanese Sawsharks skin is made of denticles instead of scales like other fish. The denticles are constructed like hard, sharp teeth (tooth-like projection) and this helps to protect the Japanese Sawshark from being injury. The Japanese Sawshark is carnivores meaning: an animal that feeds on flesh (Meat).