2011年4月27日星期三

we trust namely it came apt superficial waters may be for it has been sick

A rare shark appears in Japan, this is called the frilled shark sharks , from dated periods to the present,gave up the shark covered in wounds, no significant changes , understood for living fossils .
23 , according to Reuters newspaper, a Rare shark appears this week in a marine park in Japan , and this strange see like sharks constantly live in the 600-1000 m deep ocean .
close Tokyo in Japan, Su Island Marine Park ,toronto escort, a neighboring Fishermen ashore Sunday base a similar shape and peculiar species of eel , jaws full of sharp teeth .
Later, navy park staff caught the 1.6 measure long this strange category. This is a accustomed woman The frilled shark , periodically it namely phoned The activities of the photos is still quite rare, they generally live in waters 600-1000 m deep where there is quite tough apt reach , we trust that it came to shallow waters may be for it has been sick , for it becomes to shallow waters Very feeble . Species. interval prolongation deserving to gill folds , and cover every additional so called frilled shark . body length of 1.5 meters , the longest petticoat 1.96 m , male 1.65 meters . eel -shaped body . gill beginning 6 couples. Estuary proximal Bits. upper and lower teeth with the fashion. Each tooth 3 long keen teeth , is a branch tooth type, there are substrates favor fossils alter spine classes teeth. nostrils in the ventral surface. eyes without nictitating film , a water cavity. lateral line gully . notochord Did no dwindle ; the premier 10 have a explicit ring backbone calcification ; later the anal fin spine ,toronto escorts, there are signs of ring calcification . anal fin long; caudal fin spine slightly upturned in the manner type was not meaningful in the crooked tail . the number is Less , situated in the Pacific and the Atlantic Ocean. generally live in the 450 ~ 760 meters of the deep sea. ovoviviparous . males have a quite well-developed fins . spring fertilization . oocysts end processes. evolution among the mommy . incubation period of extra than 1 year The following year in summer , juveniles before birth .

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