Patrolling the shores off the coast of Massachusetts is a preservation succeeder story . Six great snowy sharkswere recorded feeding on   the carcase of a minke heavyweight that was spotted this week float paunch up out at sea , prompting the state to conclude three of its most popular beaches as a precaution . By the next day , all that remained was in gist its skull and spinal column , with the shark having feasted on the tongue , interior organs , and most of the muscle .

Researchers from the Center for Coastal Studieswere impress by the “ rapid deterioration of the carcass ” over just a 24 - hour geological period , something that   reflect the incredible rebound in slap-up whitened shark number seen in the region over the last ten . vagabond from Newfoundland , Canada , to the Gulf of Mexico and northern Caribbean Sea , the shark have benefitted from an growth in security , as well as aboom in their main preyspecies , the grey seal .

Previous data , collected from accidental by - grab of the creatures spanning 210 years , has suggested that between 1986 and 2000 , enceinte bloodless sharks suffered a rapid decline in Book of Numbers by as much 89 percent . In 1997 , the animals were listed in the US as a “ prohibited coinage ” , protect them from commercial and recreational search , although they are still reportedly catch in the controversial annual shark sportfishing competitions that come about along the Eastern seaside . Either style , the protections seem to have broadly worked , with a massive increase in their sightings .

In fact , researchers now opine they have established their migrant traffic pattern along the coast for all years groups and sexes . The sharks seem to be spending their spring and summer in the cooler water supply off the north - eastern states around Massachusetts , before channelise south to the Gulf States for descent and winter . Research has intimate that the rebound in grey seal population along the sea-coast has avail   boost their numbers racket , something that   officials try people should not be panic by , but rather should be celebrating .

The good word coming from the coastal weewee of the eastern United States is in astute line to the decision of a late subject field on arguably the most noted population of the sharks in South Africa . A comprehensive reviewof the creatures over a period of time of six years found that there were only between 350 and 520 nifty whites live in the waters fence Cape Town . “ The numbers in South Africa are extremely low,”explainedSara Andreotti , who led the study print inMarine Ecology Progress Series . With only around 333   think to be engender grownup , “ the chances for their survival are even high-risk than what we antecedently think , ” concluded Andreotti .