Image of the Day: Belly Flop

Watch a Munk’s devil ray breach.

Written byChia-Yi Hou
| 1 min read
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Melissa Cronin and the Conservation Action Lab at the University of California, Santa Cruz, study the ecology, biology, and conservation of extremely threatened sea and island species.The Munk’s devil ray, also called a pygmy devil ray (Mobula munkiana), is a small devil ray found in the Gulf of California and in the tropical waters outside the Gulf. The fish are known for their impressive schools, which can number in the hundreds and even thousands, and for their breaching behavior.

“We don’t know exactly why manta and devil rays jump—it could be mating or courting behavior, or to slough off parasites. Many scientists hypothesize that it may serve as a form of communication among individuals, maybe as an alert during times of really high and dense food aggregation,” says Cronin in an email to The Scientist. “This behavior is amazing to see in person, like a ballet of big flappy fish ...

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