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AKIPRESS.COM - The first known omnivore shark, one that prefers eating both plants and meat, has been identified in a study from researchers at the University of California, Irvine and Florida International University, USA Today reports.
It's called the bonnethead shark, and its plant of choice is seagrass, according to the study published in the journal Proceedings of the Royal Society B.
Samantha Leigh, a UC Irvine researcher with the department of ecology and evolutionary biology and lead author of the study, said she grew interested in the bonnethead's diet after reading a 2007 study on how the species eats lots of grass.
Leigh wanted to know whether the bonnethead was incidentally eating seagrass while consuming meat or preferred the plant food as part of its diet.
Among other food the bonnethead eats: crabs, squid, small fish and small invertebrates.