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![A lionfish spine fis00826.jpg A lionfish spine](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fis00826.jpg?itok=Yek72RN-)
Description
A lionfish spine. Once the spine enters, the loose skin covering the spineis pushed down , causing a compression of the venom glands which releases thevenom via the groove in the spine. Here the loose skin has been pushed down toreveal the spine. (Image credit: NOAA Teacher at Sea Program, NOAA Ship NANCY FOSTER | Amy Orchard)