Actually, guppies are Ovoviviparous animal and they are in vivo fertilization animal which mean the female guppy will accept fertilize by the male guppy.
The aquarium will become more and more guppy fishes because their fertilization process is very fast. It's easy to breed a guppy in an aquarium when male guppy mixed with the female guppy. When they are mating with each other, the male guppy will curve its body and show their colorful fin and tail or the male guppy will chase the female guppy to mate with the female.
After the female guppy has accept the male guppy, they will swim in parallel style which mean they will swim together in the water. Then, the male fish will swing and extend their sex organ to inject sperm into the female body rapidly. After that, the sperm and the egg will combine together. And the percentage of fertilize is about 96%.
If a female guppy pregnant, we can clearly observe that the abdomen of the fish has a black spot. That is the fry (baby fish) in their abdomen.
After that, the female fish will give born within 21 until 30 days. The female will give born about 20 to 250 fry (baby fish). After the female has gave born, the fry will not be take care of their mother. Wait until 21 days, the fry will become adult fishes and fertilize again.
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| A pregnant guppy that has a black spot in the abdomen. |
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| Fry or baby fish |
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