The male inserts his "gonopodium" into the females "cloaca" and "milt" is transfered into the female where the "ova" are fertilised. The fry can be released (born) after a gestation period of anywhere between 28 days and 3 months.
Male guppies chase pregnant female guppies because they are trying to mate with them and fertilize their eggs. This behavior is natural for guppies and is a part of their reproductive process.
Guppies are pregnant for about 4 weeks before giving birth.
=== ===
Guppies are pregnant from anywhere between 21-28 days but if conditions aren't correct, it may take longer.
Many male guppies have 'black spots' but if by "black spot" you mean "gravid spot" then no, a male guppy can not be 'gravid' because gravid is the equivalent of "pregnant" and male guppies can not get pregnant.
Guppies are pregnant for about 4 weeks. Factors that can affect the duration of their pregnancy include water temperature, food availability, and stress levels.
1 to 5 to 40
4-6 weeks
Female guppies are pregnant for about 4 weeks. Factors that can affect the duration of their pregnancy include water temperature, food availability, and stress levels.
they should mollies arnt that aggresive but if the guppies are small enough it is possible the mollies will eat them but its not likely
When they feel they need to. :D
Depending how old it is, if it is an adult female and it is in with male guppies then it is very likely that it is pregnant. (: