An American alligator bites right into a nurse shark on the J.N. “Ding” Darling Nationwide Wildlife Refuge in Florida. 

U.S. Fish and Wildlife Service J.N. “Ding” Darling Nationwide Wildlife Refuge

Overlook sharknadoes. Gatornadoes could also be scarier. 

The American alligator is understood to snack on snails, fish, birds and mammals which may wander too shut. A examine on alligator diets finds the carnivorous reptiles even have a candy tooth for sharks.

This would possibly sound like some bizarre hybrid between “Jaws” and “Lake Placid,” however the analysis sheds new mild on the consuming habits of alligators dwelling in coastal areas of the US, together with Georgia and Florida. 

Kansas State College postdoctoral researcher James Nifong led the examine together with Kennedy House Heart wildlife biologist Russell Lowers. Nifong says there had been a couple of remoted observations of gators consuming sharks, however his analysis reveals proof of extra widespread interactions between the 2 critters.  

Whereas alligators are freshwater animals and sharks stay in saltwater, their territories generally overlap. “Many sharks and rays can swim into freshwater the place opportunistic alligators cannot move up an excellent meal,” notes a Kansas State College’s launch on the examine from Monday. Nifong says alligators may also sip contemporary rainwater off the floor of salt water with a purpose to spend time in a marine atmosphere.

The alligators aren’t precisely tucking into Nice Whites. The analysis workforce discovered proof the reptiles eat a number of totally different sorts of small sharks and one kind of stingray.

The Kansas State launch consists of an interesting from the J.N. “Ding” Darling Nationwide Wildlife Refuge in Florida exhibiting an alligator with its tooth in a nurse shark that is concerning the dimension of its head.

Nifong’s pumped the stomachs of “greater than 500 stay and alert alligators” to search out out what they’d been consuming. The researchers additionally used GPS transmitters to trace among the alligators and located they moved between their identified freshwater areas and into estuaries that include each contemporary and salt water. Some species of sharks use these estuaries as nurseries for his or her younger.

“The findings carry into query how essential sharks and rays are to the alligator eating regimen in addition to the fatality of some the juvenile sharks after we take into consideration inhabitants administration of endangered species,” says Nifong. 

Nifong and Russell revealed their findings within the journal Southeastern Naturalist with the title “Reciprocal Intraguild Predation between Alligator mississippiensis (American Alligator) and Elasmobranchii within the Southeastern United States.”

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