LEGS CROSSED - EYES WATERING!

Erm?

"Case Presentation: A 14 year old boy came to us with complaints of pain, difficulty in voiding with dribbling of urine and subsequently developed acute urinary retention of 24 hours duration. On further questioning he gave an interesting history. While he was cleaning the fish tank in his house, he was holding a fish in his hand and went to the toilet for passing urine. While he was passing urine, the fish slipped from his hand and entered his urethra..."

Unusual Foreign Body In Urinary Bladder: A Case Report.
Vezhaventhan, G. and Jeyaraman, R. The Internet Journal of Urology, 5:2, 41 (2007).

According to couriermail.com.au:


"The fish the urologists removed, which Practical Fishkeeping believes to be a small member of the Betta genus, measured 2cm long and 1.5cm wide."


Yeah, sure; many people urinate whilst holding their pet fish! But wait - if you follow this link to The Internet Journal of Urology there is an endoscopic video of said fish, in situ. It sure looks like a Betta but with much caudal fin damage. Presumably due to the last frantic efforts to get the damn thing out again.

Kinda reminds me of this.

And, of course, the candiru:


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Via Pharyngula and Rev. BigDumbChimp.