The candiru is a parasite of larger fish, feeding off the blood from their gills. Gudger, innoted there have been several other cases reported wherein the fish entered the vaginal canal, but not a single case of a candiru entering the anus was ever documented. Samad in person and interviewed him at his practice and home. When subsequently interviewed, Spotte stated that even if a person were to urinate while "submerged in a stream where candiru live", the odds of that person being attacked by candiru are " a bout the same as being struck by lightning while simultaneously being eaten by a shark. Martius also speculated that the fish were attracted by the "odor" of urine. Of all of the beasts that prowl the Amazonnone is more feared by the locals than the candiru. From what experts know of the candiru they do not possess powerful enough jaws to do this.
Combined with the fact that swimming up a tiny orifice would almost certainly be a death sentence for the little fish it would seem slightly puzzling why it might behave in such a way.
Meet The Candiru – The Penis Probing Fish Of Your Nightmares
Removal can be very difficult, as the barbs face one direction only, and pulling on the fish only causes them to sink deeper into the walls of the urethra. InAmerican marine biologist Stephen Spotte traveled to Brazil to investigate this particular incident in detail. Suddenly you feel it. However, this may have been a guess as the doctor did not speak the native language and it is also possible the wounds resulted from piranha attacks. Wikimedia Commons The candiru fish, in an drawing.