🔄FROM THE ARCHIVE: I mean, how would you get along with a hole ripped in your cheek?
If you’re a fish, it sucks to have a hole ripped in your mouth by a hook.Journal of Experimental Biologyfish can’t suck up food as well after having a hole poked in their mouth by a fishing hookThe team, led by Tim Higham at UC-Riverside, focused on marine shiner perch for their study. These perch are a common target for anglers and belong to a broader group of fish known as suction feeders.
Now imagine there’s a hole poked in the side of the straw. Or, to be slightly more gruesome, in the side of your mouth. The suction wouldn’t work as well. This, the researchers found, is analogous to what happens to a fish after an encounter with a hook.The researchers caught the perch for their experiment off Vancouver Island in Canada. Half they caught with a traditional hook-and-line. The other half they caught in a seine net to serve as a hole-less control group.
They found that the angled fish behaved the same as the net-caught fish. They opened their mouths the same amount, just as quickly, and approached their food at the same distance. Their models predicted the hook-hole would slow their eating, but less than half as much as they actually observed. In other words, the fish were even worse at eating than expected. This suggests something else is at play that is not yet understood.
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