What is a penis fish?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

The penis fish, or candiru, is a member of the catfish family that lives in the Amazon River. It can swim into a person's penis or vagina.

When it's a baby, it's translucent and it's very small, so it actually can wiggle its way up there. Once the fish enters a person's body, it begins to grow. The only way to get it out is to operate.

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