Frequent question: Why are my guppies not having babies?

Why are my guppies not reproducing?

Guppies sometimes give birth only to females if the tank has too many fish. How this happens is still a mystery. The birth control is perfect if male guppies are not around for breeding. … Sometimes female guppies produce young long after the males have been removed from the tank.

Can guppies delay birth?

The guppies even extend gestation during the exact period when their offspring are maturing their feeding capabilities most quickly, says lead author Terry Dial, a postdoctoral researcher in ecology and evolutionary biology at Brown University. The timing maximizes the benefit of delaying birth.

Why wont my pregnant fish give birth?

That can happen if the fish doesn’t have enough space in the tank during pregnancy, or because they are threatened by other fish in the tank. Make sure that it gets enough space and freedom in the tank.

How do you know when a guppy is going to give birth?

The Eyes of the Fry and Signs of Impending Birth

To accommodate the developing eggs, the mother’s body expands, becoming deeper and broader. A few days before delivery, she develops a bulge below the gills, her outline becoming fairly square in this region, while the gravid spot has enlarged its area.

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Do guppies breed fast?

A female guppy under optimal conditions can give birth every 30 days — and each batch of fry can range from 20 to 50 baby guppies. This combination of maturing rapidly, birthing live young and almost constant reproduction means guppies reproduce very rapidly.

How do I know if my guppies are 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.

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.

Do guppies eat their babies?

After giving birth to their offspring, guppy fish will not exhibit any parental care and if left in the same aquarium with the fry, they will mistake them for food and eat them. … A further explanation is that by eating her own fry, the female guppy is replenishing her fat storage.

How often will guppies have babies?

Guppies typically reproduce about every 30 days and give birth to litters approximately 20 times throughout their lives. The researchers found that as female guppies aged, they began to skip litters or even stop reproducing for extended periods of time, effectively ceasing to reproduce after a certain age.

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Do guppies commit suicide?

They are able to jump 7 times their body length at more than 4 feet per second. But guppies don’t leap out to catch prey or escape predators. Rather, their jumping probably serves a crucial evolutionary role. “They’re not committing suicide; they’re trying to find new waters and new places to live,” said Soares.

What should I do with guppy fry?

What to do With Unwanted Guppy Fry?

  1. 5 Things You Can do With Guppy Fry. …
  2. Just Leave Them with Their Parents. …
  3. Separate Them from Their Parents. …
  4. Give Guppy Fry Away to Friends. …
  5. Grow Out Guppy Fry and Sell for Profit. …
  6. Conduct Selective Breeding.