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Bioluminescence Helps Prey Avoid Hungry Seals


Deep in the inky depths of what's called the oceans, missile pelagics zone more than five hundred meters beneath the surface. The main source of light is not the sun even during the day. Most of the lay comes instead from bioluminescence organisms creatures that produce their own light. It's in these dark depths that southern elephants seals love to feast on squids and fish so initially we. We wanted to know how. INNOCENT SINCE UP, pry into that pauline. Gula From University of Saint Andrews Sea Mammal. Research Unit thanks to data logging technology researchers have a fairly good handle on how far elephants he'll travel to feed, and how long and how deep. But. Nobody really knew how they find. They're praying the darkness. Do they track the lights or is something else going on, so we'd be the sense that could pick up flushes produced by. That twelve being hunted by. Because we said that. Might. Be Looking For the light to get your snack, but it turned out that the fish actually used their bioluminescence to disorients seals after the seals began their attack. The thing is it. Shouldn't that the flashing pray well how to catch them non fasching? which we found out by looking at the duration of the chase, which was wrong girl for flushing. The fist. Was Always omitted just after the seal launch an attack, making it a defensive reactive maneuver to distract the seals. But at least one seal looking to turn that liability into a hunting strategy this, she'll which to master in catching the session prior because each time. You've tried to catch a prey fast to do this little head movement that was. Sense by the price. For induce the Prater Flash, because the prerequisites to approaching Predator the seal twitter head see where the lake came from an only then start the chase. So, even if some seals can use bioluminescence as way to find food for most, the light is a distraction. Gula thinks that seals probably rely more on their whiskers to sense the movements, their prey make in the water yet that fallout into understanding. What's happening? In. Stem that don't know much about to Shane the Southern Ocean.

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