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How To Tell If Guppy Is Pregnant – Video

When a guppy is pregnant, there will be a dark spot under the tail near the backside of the stomach. The dark spot is the guppy’s gravid spot. The gravid spot darkens and increases in size as the baby guppies mature inside the mother.

How to tell if guppy is pregnant

A guppy pregnancy usually lasts 21-30 days. So, after mating with a male, a female guppy will be ready to give birth within a month. Guppy fish do not lay eggs so the female gives birth to live baby fish.

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A guppy may hide between plants or in the corner of the tank when its time to give birth to her fry. Female guppies also tend to stay away from other fish when ready to give birth. None of the above are normal behavior for guppy fish.

Video: How to Tell When a Guppy Will Give Birth

Frequently Asked Questions

How long is a guppy pregnant?

Guppies are prolific livebearers. They can give birth to between five and 30 fry at a time. The gestation period of a guppy is usually 21–30 days but can vary.

How often do guppies have babies?

A female guppy can reproduce from the age of 2 or 3 months old. A female guppy can give birth every 30 days. Female guppies can drop 5 to 30 baby guppies at a time though the number varies.

Why won’t my guppy give birth?

Reasons, why a guppy fish might not give birth, include stress and poor water conditions. Things like ammonia poisoning or aggressive tank mates prevent your fish from giving birth.

Should I isolate my pregnant guppy?

It is best to remove a pregnant guppy from the main tank or isolate her in part of it so that she can give birth to fry. You can use a breeder box or a separate aquarium to do so.

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