Japan must shark Scientific name: orectolobus japonicus regan Chinese name: Japan must shark Named by: regan Found Year: 1906 Genus: Must shark mesh shall shark Branch (orectolobidae) Location: located in the western North Pacific. I domestically in the South China Sea and East China Sea. Habitat: reefs, offshore Coast. Common name: whale sharks, tiger sharks Habitat Depth: 5 - 55 meters Are Edible: Yes Whether the toxic fish: No Whether the ornamental fish: Yes Maximum length: 200 cm Economy: small English common name: japanese wobbegong, fringe shark, japanese carpet shark Attacks on human record: no record. Characteristics: Japan is required to warm temperate SMEs shark shark, about one meter in length, and the larger of two meters. Body elongated, wide flat front portion, a rear small. Fairly wide flat head, with 5-6 pieces of wattle or front side and bottom flaps. Maxillary smooth non-wattle. Cephalic with a lot of skin to be, but without the neck. Nasal valve branches simple. Kiss wide and short, rounded leading edge, the back of the flat. Eye oval, the lateral, no haw; top eye without mastoid. Under lateral nostrils, nose and sharp convex edge with long branches are required; with nasal folds; nose and mouth with a ditch. Blowhole large, larger than eye diameter. Gill slits small, fourth and fifth gill slits and do not overlap, the filter does not have gills. Mouth large, close to the former position; side flat and sharp teeth, the front of the large, single-tooth category; rear getting smaller, three prongs. Maxillary canines with the front three, compared with two lower jaw, with central sharp teeth, a small side with or without prongs. Dorsal two, high, located behind the pelvic fins. In the middle of the first dorsal fin base of the pelvic fin; second dorsal fin between pelvic and anal fins; pectoral and pelvic fins slightly smaller, widely separated; little anal play before the caudal fin; former slender caudal body. Small, tailbone not rise, the leaves slightly developed; flat and extend the lower lobe of caudal fin, but the front is not prominent, rear notched. Lanes rusty brown, with broad and obvious dorsal saddles the dark, jagged edges of the spot, in the middle with a pale spot, between the saddles with light-colored wide mesh wire. The fins are staggered with shades of stripes, dark and light throughout the marble-like patterns and white spots, there are more than 10 irregular dark horizontal bands. Habits: Japan must shark poor activity, often dormant on the seabed. Japan must shark swimming slower, neither chase, but also to escape unhappiness, giving one and sentimental, but in fact it bloodshed, its special greedy mouth, usually like to hide in the sand and mud sediment in coastal waters, especially various algae lush place, so that one can avoid predators, but also to some of carelessness often rather abruptly caught shrimp and the like. Sometimes it can quietly change their body color, called mimicry in biology, so the level it would improve survival and prey much. Japan must sharks are bottom-dwelling fish, the main habitat in the coastal seaweed and coral reefs in the ocean more than the bottom. To benthic invertebrates and fish for food. Slow. Nocturnal. Fearsome fangs, it kept the potential dangers. Geographical Distribution: Distributed in the Pacific Northwest region, including Japan, Korea, Taiwan, Vietnam and the Philippines. Fisheries use: In China's southeast coast occasional shark fishermen in Japan are required to capture longline hook, the fish is not common, edible, but the yield is less, does not have much economic value, while in Japan were a lot of food. Occasional large aquarium display. Reproduction: Japan must shark vivo fertilization, ovoviviparous, one can produce about 20 larvae. It is not spawning but direct calving. However, when it's fertilized egg in the womb, the mother does not rely on the supply of nutrients, but by their own yolk for giving nutrients.
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No. 2
日本须鲨
In China's southeast coast occasional Japanese fishermen to be shark longline hooks were captured, the species is not common, edible, but yield less, do not have much economic value, while in Japan were a lot of food. Large aquarium occasional show.
