If we talking about the difference between male and female betta fish. This is a question that Nice Betta Thailand is often asked. which those of you who have loved betta fish for a long time already know But there are still newbies who fall in love with betta fish and keep asking this question.
Table of Contents
Here’s how to notice the sex of the fish especially small fish under 2 months will seem even difficult for a beginner.
- Look at the color. Males have a brighter color than female fish. Color can be seen clearly only when the fish is 2 months old or older.
- Look at the machine, look at the fins and dorsal fin. The male betta fish has a longer ventral fin than the female. It has a long fuselage to the tail. The female’s dorsal part is much shorter.
- Notice under the belly the point under the belly of the fish. If a female fish Under the belly, there is a soft white spot at this point, which is commonly referred to as the fallopian tubes. In fact, it is not an egg. but the fallopian tube
The Different male betta fish and female betta fish
To make it easier to understand, let’s look at an example pictures of siamese fighting fish.




These for all example picture for male and female same type. That’s Easy right?
Hope your enjoy & happy to learn about bettas
The difference between male and female betta fish Summary
- Males have longer fins, brighter colors, and larger bodies.
- Females have shorter fins, lighter color, and a shorter, rounder body.
- Males are aggressive and use it to fight and mark territory.
- Females betta have white spots near their pelvic fins, indicating their oviposition.
- Males spread their fins and show their colors when they want to mate.
- Females are usually not aggressive and can live in groups.
- The difference will be obvious after 3 months of age.
- Observing behavior and external characteristics helps to accurately determine the sex.
Reference: https://animalverse.social/members/0xa7171ebba801bd10a5ce7a061d6e80c044d0e075/activity/24741/
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(FAQ) The difference between male and female betta fish
1. What is the difference between male and female betta fish?
Males have long fins, bright colors, and larger bodies. Females have shorter fins, paler colors, and a shorter, rounder body.
2. Why are males more colorful than females?
Because males must use bright colors and beautiful fins to show their power and attract females during mating.
3. What are the distinctive characteristics of females that can be clearly distinguished from males?
There is a small white spot near the pelvic fin called the “egg spot”, which is the egg-laying organ.
4. Is it true that male betta fish are more aggressive?
True, males are aggressive, using them to fight to mark territory and protect their territory.
5. Can multiple females live together?
Females are usually not aggressive and can live together in the same tank.
6. At what age can you definitely tell the sex of a betta fish?
The difference is usually visible after 3 months of age.
7. If the betta fish is very young, how can you tell its gender?
Behavioral observation must also be observed, for example, males will begin to spread their fins and show their colors as they grow older.
8. Can male betta fish live with females?
They can only be kept during breeding, after which they should be separated to prevent fighting.
9. Can female betta fish lay eggs without a male?
Eggs can be released, but the eggs will not be fertilized and will not hatch into fry.
10. Why do males need to create bubble nest?
The male builds a bubble nest on the surface of the water to lay eggs and raise them until they hatch into fry.





