Can fish have babies without a male?

Can female guppy give birth without male?

Certainly not. Only one breeding of the female is required for her to produce several consecutive families. The body of the female has several sacs that hold eggs. When the male fertilizes the eggs, those in just one sac begin to grow.

Can a fish get a girl pregnant?

Only one pregnant female is known to have been caught; she was carrying six unborn young.

Comparison between species.

Species Salmon shark
(Lamna ditropis)
Reproduction method Ovoviviparous
Gestation period (Days) 270
Number of young (Average) 2-6

Can fish have babies in a tank?

Many aquarium fish are egg bearers, including discus fish, bettas, and most gourami species. … If there is a male in the same tank, he may fertilize the eggs after they are laid or by mating with the female beforehand, depending on the species. The eggs will eventually hatch into live fish.

How long do baby fish need to be separated?

In about 4 to 6 weeks, the babies should be large enough to release into the main aquarium. But be sure the babies have grown larger than the mouths of adult fish. If it’s not possible to set up a separate aquarium, drop-in breeders are a great alternative.

What do guppies look like when mating?

Male guppies have a gonopodium. This looks like a stick and can be found at the anus of the male guppy fish. … After the mating ritual, the male guppy will turn to the side, will point its gonopodium forward and will tap the female for 1-2 seconds. This time is enough to pass the sperm and fertilize the female.

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How do fish get impregnated?

In most cases, the female drops eggs in the water which are immediately fertilized by sperm from the male. Another way is for fertilization to occur within the females body before she drops them into the water. With the third and final method, the female retains the eggs within her body and the young are born alive.

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