The main prey for this little parasite is the catfish. The candiru swims inside its gills, and then spines in the candiru's head hold it in place while it sucks blood from its host. But that isn't what is so horrific about this toothpick fish. It's what it does to humans...
This video was uploaded to YouTube on January 26, 2009 by BBCWorldwide. If you can't see the video above, we also have a link to the YouTube page for this video.
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