how do fishes get pregnant?

Answer 1

It’s not "fishes" its fish....whether we're talking about one or more...it's always fish.....

As to how they get pregnant........it depends which fish it is....for the females that lay eggs the male swims/hovers above the eggs & fertilises them.....For live bearers [fish that give birth to live young rather than lay eggs] a Male & Female fish swim beside each other while at the same time rubbing each other & hey presto...Gold fish however can't get pregnant as they're hybrids....

Answer 2

How Do Fish Get Pregnant

Answer 3

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Answer 4

Breeding Strategies
``How do fish make babies...and can I watch?''
Fish breed in many ways, and yes you can watch. In fact, watching fish breed is one of the great fascinations in the hobby because there are so many interesting breeding strageties among fish.
There are two main strategies that fish use: egglaying and livebearing.

Livebearing fish do what the name suggests. The female gives birth to fully formed, free-swimming young. The female fish is internally fertilized by the male fish, and carries the fry for about a month before delivering them. Upon delivery, the babies swim off, hide, and begin searching for food.

Livebearers include the popular mollies, platies, swordtails, and guppies. Other livebearers are halfbeaks, anableps, and fish in the Goodeid family. They are easy to sex, as the female is larger, and the male has a rod-like anal fin called a gonopodium that he uses to internally fertilize the female. After fertilization, the female can produce multiple batches of babies without a male present.

Egglaying is also what the name suggests: the fish lay eggs instead of giving birth to little fish. As the fish grow, they hatch into fry with an attached yolk sac, and then mature into fish. The process usually takes around a week to 10 days, although it can vary widely.

Egglayers have many methods of laying their eggs
Egg scatters usually scatter eggs around weeds, or onto gravel. The male chases the female during spawning, and the eggs are fertilized as they fall. Spawning runs can be spectacular to watch since the fish race around the tank and ignore anything else, including food. Examples of egg scatterers are tetras, barbs, rasboras, and danios.
Substrate spawners are a little choosier about where they put the eggs. They lay eggs that attatch to some sort of substrate. Plants, rocks, wood, and even the aquarium glass may be chosen as a spawning site. Both fish participate in the egg laying, with the male fertilizing the eggs as the female lays them. Examples of substrate spawners are many catfish, some cichlids, and killifish.

Bubblenest builders lay their eggs in a nest of bubbles blown by the male fish. The bubbles are held together with saliva and look like foam. They tend to attract infusoria that the babies can eat, and keep the eggs at the surface of the water, where they are well-oxygenated. The eggs are laid a few at a time, and carefully placed in the nest where they hatch. Examples of bubblenest builders are bettas and gouramis.

Mouthbrooders actually keep their eggs in their mouths until the eggs hatch. The eggs are again laid a few at a time, and once the male fertilizes them, the parent doing the mouthbrooding gathers them up in his/her mouth. That parent eats sparingly, if at all, until the baby fish are released. Examples of mouthbrooders are male arrowanas and female cichlids.

Marine fish also lay eggs. Some are substrate spawners, but many lay pelagic eggs that float in the plankton. There the eggs hatch into a larval stage, and the larvae float freely and eat tiny plankton until they grow into fish.

Answer 5

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Infertility is a condition defined as not being able to become pregnant after at least one year of unprotected, regular, well-timed intercourse. Women who suffer from multiple miscarriages may also be diagnosed as infertile. Infertility may be classified into two groups, primary and secondary infertility.

Answer 6

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Answer 7

only some fish get pregnant not many, such as guppies. but other than that they usually just lay eggs and a male comes by to furtalize it...

Answer 8

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Answer 9

RE:
how do fishes get pregnant?

Answer 10

i have not a clue.
but im sure they have to get preg if fish wanna stay around.

lol