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The female will normally have a more rounded belly as she prepares to give birth and look noticably fatter than the male. A swordtail is a livebearing species of fish so they do not lay eggs but give birth to baby fish known as fry who will be freeswimming from the moment of birth.

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17y ago

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How can you tell if a danio fish is pregnant?

Danios are egg layers and can not get pregnant.


How would you tell if a carp fish was pregnant?

You wouldn't ever be able to tell this, because carp fish do not get pregnant. Pregnancy implies carrying the young internally, which carp do not do.


What do pregnant fish look like and how can you tell if a fish is expecting offspring?

Pregnant fish may appear rounder or have a swollen belly. You can tell if a fish is expecting offspring by observing its enlarged abdomen and possibly seeing small, developing eggs inside.


How can you tell when a fish is pregnant and what are the signs to look out for?

To determine if a fish is pregnant, look for signs such as a swollen abdomen, changes in behavior like increased hiding or aggression, and a darkened gravid spot near the anal fin. Additionally, some pregnant fish may exhibit a bulging or squared-off belly shape.


How do you know if your fish is pregnant?

I would imagine that with some fish it would be nearly impossible to tell until they give birth. However, with a thin, transparent fish, you sometimes can see a dark spot in their belly!


How can you tell if a white goldfish is pregnant?

Goldfish of any type are all egg laying fish which means that they do not get pregnant


How do you know if a tropical female fish is pregnant?

With a guppy you need to look at the gravid spot. This is a dark spot in the fish's belly. A large gravid spot indicates the fish is likely to be pregnant. You can tell how pregnant the fish is by how large the spot is. Sorry I have no experience with other species.


How can you tell if a fish is pregnant and what are the signs to look out for?

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How do you tell if oranda goldfish is pregnant?

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How can you tell if your black ghost knife fish is pregnant?

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How can I tell if my fish is pregnant and what are the signs to look out for?

To determine if your fish is pregnant, look for signs such as a swollen abdomen, changes in behavior like increased hiding or aggression, and a dark spot near the fish's anal vent. Additionally, you may notice the fish's scales appearing raised or separated. If you observe these signs, it is likely that your fish is pregnant.


How long are guppys pregnant for?

A female guppy is pregnant for about 1-2 months, if you have a pregnant guppy i can tell that she will need to be separated from the other fish in a breeding box, you can buy breeding boxes from most stores for £3.97 ($5.97), because if she is left with other fish they will eat the babies. Some tell tale signs that she is close to delivering the babies is that she will stop eating, hang around away from the other fish and her gravid spot will be almost black. Pleased to help.