It's not every day that one sees a seal with an eel stuck up its nose, but researchers say that it is becoming a more common phenomenon.

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The Hawaiian Monk Seal Research Program took to Facebook on Monday to offer some background on the strange occurrence. The researchers have found multiple juvenile Hawaiian monk seals with eels up their noses since first recording the phenomenon a few years back. NOAA said it's uncertain whether this is an emerging trend or a strange statistical anomaly.

Researchers said the eels were successfully removed without injury to the seals, but the eels did not survive.

NOAA has a couple of theories on how an eel could end up in a seal's nose. Seals forage for food by shoving their mouths and nose into their hunting area, and a cornered eel may have made a defensive move in an attempt to escape. Another theory is that a seal may have swallowed the eel and regurgitated it, with the eel coming out the wrong way.

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Angie McBrayer, ex-wife of James Aaron McBrayer, leans her head on her son Sam McBrayer as she and her three children and two grandchildren (from left) Jackson McBrayer, 3, Piper Jae McBrayer, 7, Katy Isaza, and Jordan McBrayer, visit the grave of James McBrayer, Thursday, November 20, 2025, in Tifton. He died after being restrained by Tift County sheriff's deputies on April 24, 2019. His ex-wife witnessed the arrest and said she thought the deputies were being rough but did not imagine that McBrayer would die. (Hyosub Shin/AJC)

Credit: HYOSUB SHIN / AJC