Q&A for How to Selectively Breed Betta Fish

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What are some signs of a sick betta fish?

Brian Blake
Aquarium and Fish Expert
Brian Blake is an Aquarium Expert and the Owner of Boodleshire Aquatics based in the Kansas City Metro Area. With over 20 years of experience, Brian is an expert in freshwater planted aquariums, saltwater reef aquariums, and aquarium installation, care, and maintenance. Brian holds a Bachelor's degree in Ichthyology and Aquatic Environmental Science from Emporia State University.

Brian Blake

Aquarium and Fish Expert

Expert Answer

Signs of a sick Betta fish include a paler hue than normal and white or cotton-like patches on their body, indicating a fungal infection. If they look like they're deteriorating or look cut-up, this is a symptom of fin rot, characterized by deteriorating fins. Additionally, other symptoms, such as cloudy eyes, visible lacerations, sores around the mouth, and lethargy, may indicate bacterial or parasitic infections. When diagnosing fish health, it's essential to look for multiple symptoms, as one symptom can have various underlying causes. This approach helps narrow down the primary cause and enables effective treatment.

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Question

Does that mean I can "tamper" with the species of the betta to create new or rare ones?

Community Answer

Yes.

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Question

What is a "hospital tank"?

Community Answer

It's just a separate tank used to hold any sick fish to prevent the spread of disease, but it can also be used when introducing new fish to a tank.

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Question

My female is resting on the side constantly, but occasionally comes to check out the nest. Is this normal? She has her white spot under her belly and vertical lines, full of eggs. Am I on track?

Community Answer

She may be tired if both the male and female Betta are in the same tank. The breeding process is very stressful for both fish, and can last for hours.

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Is it safe to hang a mirror on an aquarium?

Imbisale

Community Answer

No.

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How long does it normal take for healthy betta fish to hatch?

Community Answer

Betta eggs take 36 to 48 hours to hatch after spawning.

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Question

What is the gap time between first and second breeding?

Community Answer

If you're asking how long you should wait to breed your bettas again after the first time, I would say that you should give them a rest of perhaps 2 months. If you can't wait that long, I recommend that you buy another pair of healthy bettas while the previous two rest.

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Question

Where can I get a pretty female for breeding that is around $25 in price?

Community Answer

Look at your local fish shops, you can best gauge the healthiness of a fish in person, or check out a reputable online seller.

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Question

When do you separate the male from the spawn?

Community Answer

After they're all swimming. So keep an eye on the rate the eggs hatch and as soon as they dwindle, take him out. The male may start eating them otherwise and any remaining eggs will have a little time to hatch.

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Question

How old do they have to be to mate?

Community Answer

There's no certain age, but once they start making bubble nests, they should be able to mate. Making a bubble nest is an indication of sexual maturity in males.

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Question

How long does it take for the betta fry to develop?

Community Answer

Up to six months. However, it depends on the individual. 4 to 6 months is the average.

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Question

Why do males make bubble nests?

Jun Sohn

Community Answer

They sometimes make bubble nests when they are happy. Sometimes because they are ready to mate. Do not worry if they make a bubble nest when they have no mate. It is probably just because they are happy.

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Question

What if the water filter is too shaky, but the fish won't go near it?

Jun Sohn

Community Answer

You should still turn the filter down, just in case. The fish may get stressed out.

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Question

Can we keep the male betta fish with his fry forever?

Community Answer

No, as the male fry will fight with the father, and the father will try to mate with his female children. If you want a fish that will always be with their fry, consider goldfish or guppies.

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Question

Can we breed a Full Moon male with a Crown Tail female?

Haley Peng

Community Answer

You can breed any male with any female as long as they are interested and healthy.

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