Ever sought hegemony before 3000000 shark of whole deep-sea gigantic tine, be history go up the biggest and the most dangerous giant one of sharks, its manhood body length can amount to 15 meters about.
A newest research shows, gigantic tine shark can be achieved so tremendous because be in inside the uterus during development,be, can gobble up the younger brother and sister with other slower growth to regard as oneself nutrient, this lets them have the gigantic type of build or figure of 2 meters when be born.
The basis covers, the scientific periodical that is released in 10 sunrise print " historical biology " the research that go up shows, scientist discovery, the body length when these gigantic tine shark that already eradicated now are born exceeds 2 meters, this should be attributed to still be in during be pregnant the gigantic tine shark in development can go edible is other not the brotherly sister of development, such behavior is called " the each other inside palace feeds behavior " (Intrauterine Cannibalism) .
Consider to point out, once appear,the each other inside palace is fed, the unborn amount that means production to go out can decrease considerably, and every young shark is in be born the bodily form of instantly will very tremendous, suffer the risk of ravin of other and large natural enemy in order to reduce.
University of British Si Wangxi (Swansea University) shark fossil researcher Cooper (Jack Cooper) express, pass through research rare and vertebral remains, the measurement with two chief meters is quite accurate, and be mixed with Panama the other discovery of place of child care of shark of Spanish gigantic tine conform to.
He thinks, this research is crucial to understanding archaic shark deep, because go,do not have too much research about the progenitive behavior of gigantic tine shark.
Beyond the size that reduces besides gigantic tine, research still discovers these great sharks are very macrobian, their life may be as long as 100 years. Although this new research offerred concerned new student and middleaged gigantic tine shark,grow nevertheless the message of means, but the place of shark of gigantic to old age tine knows pertinent information still is very little.