PeterJ Posted May 8, 2014 Report Share Posted May 8, 2014 I can remember quite a few discussions about line breeding that have made a few people squeamish, and I've tried to explain how common familial mating is in nature. This research shows that male guppies actually appear to prefer their sisters... Guppies ramp up sperm for their sisters Link to comment Share on other sites More sharing options...
Longfish Posted June 14, 2014 Report Share Posted June 14, 2014 Hey mate those are some neat looking wild type guppies. How did you find them? Link to comment Share on other sites More sharing options...
PeterJ Posted June 15, 2014 Author Report Share Posted June 15, 2014 They're not mine - that was the photo provided with the story. Link to comment Share on other sites More sharing options...