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babe bullsharksare show up path more often in the water system off Alabama , researchers determine .
In a study published March 14 inScientific Reports , researchers found that the number of dogshit sharks ( Carcharhinus leucas ) catch per hour increased five - faithful between 2003 and 2020 . All the crap sharks captured and released were juveniles , likely because the baby shark use these shelter water system to raise and feed .
While horseshit sharks are among the mostaggressiveof shark species , beachgoers do n’t need to worry that the increasing presence of these stalwart - bodied fish will lead to more shark bites , tip authorLindsay Mullins , a fishery scientist at Mississippi State University , told Live Science . Despite the misconception that sharks hunt world , " they ’re really not interested in you . "
However , they may prey on some of the animals that get caught in fishing paraphernalia , so fisherman may notice more of these jejune bull sharks feeding on their catch , Mullins said .
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Bull sharks fly high in fresh , brackish and saltwater and can grow to be 11.5 feet ( 3.5 meter ) long . They go in coastal , tropical and subtropical environments , " so they are used to warm waters , " Mullins said .
In the new study , scientists reviewed data point from the Alabama Department of Conservation and Natural Resources ' gillnet survey of the coastline along Mobile Bay . They happen 440 Irish bull sharks charm over the subject area stop .
During that same period of time , medium sea Earth’s surface water temperatures in Mobile Bay increased from 72.1 to 73.4 degree ( 22.3 to 23 degrees Celsius ) . With sea temperaturesincreasingaround the universe , Mullins experience it as a good thing that bull shark are able to thrive in warm up waters .
The presence of sharks in Mobile Bay also picture that the ecosystem is goodly . " Hooray for live child bull sharks , " she said .
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But although the shark are presently expand , this might not always be the sheath as temperatures go forward to uprise . " It ’s definitely not inconceivable that there is an upper threshold in terms of temperature tolerance that we just have not seen yet , " Mullins say .
Mobile Bay ’s bull shark population is relatively hefty , but globally , cop shark arevulnerableto extermination , according to theInternational Union for Conservation of Nature . And all shark species are threatened byfishingandclimate modification .