About Shark

Shark is 7% from all the fish type. Mostly dwelling water territory of sea in all oceans and also freshwater water territory. Its the type starts from the biggest that is whale shark ( whale shark), Rhincodon typus which fairish of body length 14 long fairish smallest finite metre 15 cm that is Squaliolus laticadus. Half from all length shark types at the most 1 metre and around 80% its(the body measure smaller than adult body measure generally.

According to evolution, shark is one of animal which can live on the sea during hundreds of million years. They can fight against destruction through variety relative. On that account becoming species good indicator to measure activity impact of man in sea ecosystem.

In food chain at sea ecosystem, shark occupies top consumer level ( top level) as predator that is very influential for ecosystem balance. Many expert of oceanic believes that shark is vital is being in taking care of biodiversity, especially in sea water territory.

Shark Idiosyncrasy

Shark has 7 ( seven), namely hearing, ( dapt reachs some his(its far miles), palp ( touch), eyesight, stamping ( taste), electrical excitement ( electrosense) and line tepidan point organs ( organ pit) to catch weak vibration. Bony fish of this gristle known as migration type capable to very far ( migratory species) fords ocean to get through boundary Negara and benus to look for productive and feed. According to report Wild Aid : The of the Line ? Global of Threat to Shark written by Susie Watts ( 2001), a blue shark ( Blue shark), Prionace glauca said the word ( tag) in Tasmania the year 2000 caught in water territory of African southeast aparting more or less 9500 kms. Similar case experienced by also by type shark Spiny dogfish, Squalus acanthias said the word ( tag) in Negara part of AS, emerges water territory of Japan seven years then after going through journey of 6600 kms. Catchs of the shark mostly is because hooking jarring longline by fieldsman ship.

Besides its the flesh, part – part of shark body which can be exploited by inter alia man :

liver oil for dipping material and textile industry, Iubricant factory, paint, cosmetic, source of vitellarium and pharmacy product,

squalane from liver to be made by drug (haves the character of medical),

blood is applied in the field of medical (anti coagulant),

eye cornea for transplantation of man eye,

cartilage and cartilage gist;sari applied for therapy of bone disease, cancer, skin biautan and hurt drug baker,

tooth for ornament and weapon (by Maori tribe,

skin applied for food-stuff, abradant and swimsuit making,

dorsal fin is expensive food after made [by] soup. The price of a bowlful soup shark fin reachs US$ 100,00 in restaurants seafood in the world