How can you tell a guppy is pregnant?

How long are guppies pregnant before giving birth?

Guppy. Guppies are highly prolific livebearers giving birth to between five and 30 fry, though under extreme circumstances, she may give birth to only one or two or over 100. The gestation period of a guppy is typically 21–30 days, but can vary considerably.

Why does my pregnant guppy keep swimming up and down?

The swimming up and down the glass in a pregnant guppy is a typical sign of giving birth thumbs2: When a female gives birth she releases a hormone which supresses the eating of the babies for 6 hours… so once they are born you have 6 hours the time to get them safe or add some moss etc. where they can hide in.

What do guppies look like when mating?

Guppy mating takes less than a second, and it looks just like he is stinging her at her vent where her gravid spot is located. This is the dark spot just behind the female’s abdomen. Although the breeding is extremely quick, numerous breedings will take place to ensure the female has been fertilized.

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