How do you know when your fighting fish is pregnant?

fish dont get pregnant, they just lay eggs.

They lay eggs and don't get pregnant.

she will have a white pearl looking thing right below her bottom fin!

No, unless its of the same breed

Simple observation. You will either see them fighting or see the damage on the fish that indicates they have been fighting. ...

When you hold the fish it will say what kind its status(which will say pregnant) and age ...

The vast majority of fish are egg layers so will never get pregnant. The only fish that get pregnant are 'Livebearers'. If you have a male and a female of the same species of livebearer the female will be pregnant anyway. To answer your question. Without you telling me what fish you have I can't know if your fishes are pregnant. ...

Parrot fish are egg layers, and thus are never pregnant.

the fish will have dots

Don't worry about it. Tigerfish can not get pregnant.

Fish do not experience pregnancy, they lay eggs.

Fighting fish will fight and KILL non-fighting fish.

When it is floating not swimming.

Siamese fighting fish do not become pregnant, though they do breed. A female Siamese fighting fish is ready to breed when a white thing is sticking out just behind the ventral fin. The male is almost always ready to breed. If the fish are in the same tank, the male may flare, and chase the female. The male also may have built a nest of bubbles that float on the surface. ...

Exactly as you spelled it in your question; a Betta fish is also known as a Siamese Fighting Fish. it is spelled "Betta", or its other name, "Siamese Fighting Fish." I know alot about Betta's. :D ...

They are egg layers so they can't be pregnant ever.

No, fighting fish (Bettas) are only interested in fighting with other fighting fish. ...

The fish will have a noticeable black dot on it's side

Puffer fish amplify there mass when frightened. If it is constantly swollen, it may be pregnant. Puffer fish also will have yet tighter skin. ...

Of course they can. How else would we have fighting fish.

Nope not that i know of ive had to do that to all my fish to stop them from fighting. ...

Goldfish reproduce via external fertilization so they never are pregnant.

Do you mean fish fighting like dog fighting or owing Siamese fighting fish? Both are legal. ...

you will know when the male begins to chase the female

'Japanese fighting fish' 'Chinese fighting fish' 'Siamese fighting fish' and 'Betta' are all names given to the 'Betta splendens'. ...