Cymothoa exigua is a small crustacean found off the coast of California. You don’t have to worry about it unless you are a spotted rose snapper. C. exigua invades the mouth of these fish and grabs onto the base of the tongue, pinching off the blood supply and drinking it. As the tongue atrophies, the fish begins to use the little isopod as a replacement tongue. Meanwhile, C. exigua lives its life inside the fish’s mouth, drinking blood and fish slime from the tongue’s stump. Other than the loss of its tongue, the fish suffers little from the experience, so the two can share a normal, if creepy, lifespan.

Cymothoa exigua is a small crustacean found off the coast of California. You don’t have to worry about it unless you are a spotted rose snapper. C. exigua invades the mouth of these fish and grabs onto the base of the tongue, pinching off the blood supply and drinking it. As the tongue atrophies, the fish begins to use the little isopod as a replacement tongue. Meanwhile, C. exigua lives its life inside the fish’s mouth, drinking blood and fish slime from the tongue’s stump. Other than the loss of its tongue, the fish suffers little from the experience, so the two can share a normal, if creepy, lifespan.

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    Cymothoa exigua
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    AHA! Found it.
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