I have four guppies 2 males and 2 females. The males only bother with one guppy and she is pregnant already, they follow her all day and night but never go near
Beef steroid causing guppy mating changes with wider implications for other species, research says - ABC News
![It's a family thing: FSU research shows guppies help their brothers when it comes to the opposite sex - Florida State University News It's a family thing: FSU research shows guppies help their brothers when it comes to the opposite sex - Florida State University News](https://news.fsu.edu/wp-content/uploads/2020/03/guppiesWeB.jpg)