Antal registrerede brugere: 7365Status: Du er ikke logget ind! Ny bruger:Bliv oprettet som bruger
NYHEDER
Male fish in Mexico sports sexy 'moustache'
28/06/2010 15:20:52
Scientists were unsure why male Mexican mollies wear an extravagant moustache-like structure on their top lip.
Now a study has revealed that female fish find the moustache sexually attractive, and it is likely to be a sexually selected trait.