How does a fish have babies?

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.

How do little fish have babies?

Some aquarium fish carry the eggs inside of them. When the eggs are fertilized, they eventually hatch inside the mother, and the babies emerge in a live birth. Other types of fish lay hundreds of eggs in nests within the aquarium, in this case, the males fertilize these eggs, and then they hatch into live fish.

What do I do if my fish has babies?

If you find baby fish in your tank, don’t panic! The first thing you should do is remove any adult fish so they do not eat the babies or move the baby fish to a separate tank where they can grow in safe environment.

How long is a fish pregnant?

As examples, the female swordtail and guppy will both give birth to anywhere from 20 to 100 live young after a gestation period of four to six weeks, and mollies will produce a brood of 20 to 60 live young after a gestation of six to 10 weeks.

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Do fish hide when pregnant?

Nesting. It is completely normal for a pregnant fish to spend more time hiding or seeming to explore plants and decorations in the aquarium. This is an indicator that she is coming close to giving birth, and that she is looking for a place to go through the process.

How do I know if my fish are mating or fighting?

Your fish will show signs of mating before the actual mating happens. Look for fish that pair off or groups of males showing interest in a female. In the case of the silver dollar fish, the males will aggressively chase the females around the tank.

Can a dead guppy give birth?

Can a Dead Guppy Give Birth? It can happen, especially if the death occurs right before birth is given. But if they die before birth (a few days or weeks), then the fry will generally die with it as well. That is, obviously, a very sad occurrence, but it can happen.

What do fish eggs look like in my tank?

Check for eggs.



Once laid, the eggs often look like tiny balls of jelly. These are often scattered to the water, but in some species they end up in a mound on the nesting area, or stuck to the floor or side of the aquarium.

Do fishes sleep?

While fish do not sleep in the same way that land mammals sleep, most fish do rest. Research shows that fish may reduce their activity and metabolism while remaining alert to danger. Some fish float in place, some wedge themselves into a secure spot in the mud or coral, and some even locate a suitable nest.

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How fast do baby fish grow?

How fast do baby fish grow? Baby fish, or fry, are considered grown when they are able to fend for themselves at approximately 4 to 6 weeks, depending on the fish’s environment and diet. At this time, the baby fish can be introduced into a common tank.

Do baby fish need a heater?

Setting Up the Baby Fish Aquarium



But since baby fish take up so little space, small aquariums can be used. … The baby fish are very small and fragile; any unnecessary water movement may injure them and make it more difficult for them to move around and locate food. Make use of a small heater to regulate the temperature.

How long do baby fish need to be separated?

Keep them separate until they are sizeable enough not to be able to fit them in any of the adult fishes mouths. Looking at some of the growth rates of some fry that i read about this may be 4-5 weeks at least. Good to Excellent water conditions should also promote healthy growth.

Secrets of Successful Fishing