How can you tell if a fish is pregnant?

Pregnant female fish often develop a "gravid spot" on the abdomen near the rear vent. This is typically black or bright red, and grows more pronounced over the course of the pregnancy. Some fish always have this spot, but it will typically grow brighter or darker during once the fish is pregnant.
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How will I know if my fish is pregnant?

As your female fish becomes pregnant, she will grow a bulge at the back of her abdomen. This typically appears over the course of 20-40 days. Does your fish have a red or black spot? Sometimes, when a female fish is pregnant, she will develop a “gravid spot” on the abdomen.
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How long are fish pregnant for?

Roughly 28 days. Keep reading to find out how do fish give birth in a tank.
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How does a fish become pregnant?

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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How do you tell if my fish are mating?

Mating Ritual

Signs that your goldfish are ready to mate include white spots along the gills of the males, and the female will become fatter and more rounded. The male will then chase the female around the tank to encourage her to release her eggs.
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How To Tell If Female Fish Are Holding Eggs



Do fish eat their babies?

Sometimes he guards several clutches by different females, cleans the nest, and fans oxygen towards the eggs to improve their supply. Yet scientists have repeatedly observed males eating some of the carefully-provided for eggs. Filial cannibalism often occurs in fish species in which males care for the eggs or young.
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Do pregnant fish stay at bottom of tank?

It is not uncommon for a heavily pregnant female guppy to need to rest during her labor. If you have a large, female guppy sitting on the aquarium floor, it probably isn't anything to worry about. Give her a few hours and she will probably swim back up and pass the rest of her babies.
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Can baby fish survive in a tank?

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

Energetic Mating Behavior

If the female Oscar plays hard to get, the suitor will become more physical with rubbing behavior that may look like fighting when it isn't. Oscar couples always get along even when they're not mating, so if you spot aggressive behavior and chasing, you'll know they're actually mating.
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How do I know if my fish laid eggs?

Pregnant female fish often develop a "gravid spot" on the abdomen near the rear vent. This is typically black or bright red, and grows more pronounced over the course of the pregnancy. Some fish always have this spot, but it will typically grow brighter or darker during once the fish is pregnant.
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Why does my fish have a big belly?

Grossly Swollen Belly

A fish with dropsy may appear like it is ballooning and about to explode, or it has a pot-bellied appearance that makes it seem like it's suddenly getting very fat or pregnant. This happens as fluid accumulates in the tissues and cavities of the coelom to create swelling of the area.
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How can you tell if a fish is a female or a male?

You can determine the sex of your fish by inspecting its gonads (reproductive organs), which are located towards the top of the gut cavity. Mature female fish will have orange ovaries and male fish will have white testes (see photos above).
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Why is my fish hiding in the corner?

To protect themselves, fish will instinctively hide when they are uncertain, frightened, stressed or uncomfortable. Having a safe place to retreat provides comfort and security, and greatly improves a fish's chance of surviving in the wild.
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Can a female fish get pregnant without male?

The small fish species, who is native to the border region of Texas and Mexico, does not produce any male offspring. The females reproduce asexually through gynogenesis, making their daughters identical clones of themselves. This type of reproduction also means that they need sperm to trigger the cloning process.
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What do newborn fish eat?

The fry should be fed a quality food, such as baby brine shrimp, baby fish food, or quality flake food ground into a fine powder. Feed the fry small amounts several times a day. Maintain good water quality by performing regular water changes.
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Do fish give birth out their mouth?

mouthbreeder, any fish that breeds its young in the mouth. Examples include certain catfishes, cichlids, and cardinal fishes. The male of the sea catfish Galeichthys felis places up to 50 fertilized eggs in its mouth and retains them until they are hatched and the young are two or more weeks old.
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How quickly do baby fish grow?

Guppy fry are easy to keep, but their growth to maturity takes about three months and that can sound like a lot! They're not hard to keep, but you need to make sure you provide good nutrition and conditions so they grow well. There are some tips you can use to help them thrive.
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What can I do with unwanted baby fish?

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. ...
  7. Conclusion.
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Why is my fish sitting at the bottom of my tank?

When the water temperature inside your aquarium drops too low, your fish might lay motionless at the bottom of the tank to conserve energy. On the opposite spectrum, if the water temperature rises dangerously high, fish will stay on the bottom because that's where oxygen levels will be higher.
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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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What color is fish poop?

Normally, the fish poop will take the color of the food that the fish has been eating for a while. For instance, fish fed with flakes in the aquarium will usually produce reddish color poop, as flake foods contain lots of blood worms. Fish that are fed with peas will usually excrete greenish color poops.
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How many babies do fish have?

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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Why do fish eat their poop?

There is no fish that will eat poop in an aquarium. Occasionally fish are seen chewing on fish poop, but that is because they mistake it for food. Even catfish, plecos, or shrimp do not eat fish poop. The only way to remove fish poop is to use a gravel vacuum and remove it manually.
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