Back to the vampy joke...
A vampire walks into a bar and the bartender asks "what can I get you?"
The vampire says "hot water"
the bartender says " I thought vampires drank blood"
the vampire pulls out a tampon and says "I'm making tea"
Where did you hear this riddle? Pescuezo and cuello are both words for neck but the others are probably right, a fish sounds like the right answer.Try posting it on mx.yahoo to see if you can get the answer.