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This article was co-written by Pippa Elliott, MRCVS. Elliott is a veterinarian with more than thirty years of experience in veterinary surgery and pet treatment. She graduated from the University of Glasgow in 1987 with a degree in veterinary surgeon. She has worked at a veterinary clinic in her hometown for more than 20 years.
This article has been viewed 82,772 times.
Betta fish is known as a fighting fish. Usually they are sold individually in specialized vessels and you can see that all Betta fishes share the same appearance and behavior. Even so, male and female Betta fish still have different characteristics. Small differences in their appearance and behavior will help you distinguish between male and female fish. Their gender is very important if you want to keep a pair of Betta fish.
Steps
Recognizing through external characteristics
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Traits begin to develop as the fish matures. [1] X Source of Research Male and female Betta fish are often very similar when young because their bodies are not fully developed and their sexual characteristics are not yet evident. You need to wait until the male characteristics can be identified or around the time the Betta is 2 months old.
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Observe the size and shape of the fins. [2] X Source of Study Male Betta generally have long upper dorsal, pelvic and caudal fins. Usually the fins are 2 to 3 times longer than the body height. The dorsal and caudal fins will droop as they lengthen. The fins of female Betta are usually shorter even if their body height is higher or lower than that of male Betta. The female’s pelvic fin is shaped like a comb.
- The short fins can be considered female characteristics, but need to be combined with other characteristics before determining their sex.
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Observe color. [3] X Research Source Male fish are usually more colorful than female fish. The female’s colors tend to be subdued and not bright, especially the body. Blue, green, and red coloration on the body and fins are characteristic signs of males.
- The color may vary depending on the fish’s level of excitement. Stressed females are more brightly colored than normal females.
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Observe the egg-laying organ. [4] X Source of study Females have a small white spot on the underside of the abdomen called the oviduct. This white spot looks like a grain of salt. It is located right between the edge of the ventral and ventral fins. This is a way of identifying female Betta fish, males never have this white spot.
- Finding this white spot is difficult when the fish is young when the genitals are not fully developed. In adults, the fallopian tubes are larger and more noticeable.
- If you’re having trouble finding your fallopian tubes, think about feeding them. Usually they will swim up and down, so you can see more easily.
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Compare body shapes. [5] X Research Source Male and female Betta fish have slight body differences. The male body is usually long and slender while the female’s body is shorter and the abdomen is somewhat larger. This is a very subtle difference. For this method, you need to closely observe the males to clearly distinguish their sex. Females will look fatter than males.
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Place a mirror next to the aquarium. Males will swell their gills when they meet another of the same sex. [6] X Research Source Both male and female Betta fish are very aggressive. However, males tend to be more aggressive. If you put a mirror next to or inside the tank, they will think there is another fish. Males will stretch or expand their gills to show dominance. They will approach the mirror.
- Female Betta fish also sometimes swell their gills to show power. However, females are usually less aggressive than males. Males tend to become agitated when another male is approaching.
- Mirrors should not be placed in the aquarium for a long time. It is fun to see Betta fish acting aggressively, but it can seriously affect their health. Especially in males, their fins can be shortened if they go through a long crisis.
Gender discrimination through behavior
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Consider the method of sale. The trading method also helps you to know the sex of the Betta fish. Male Betta are often sold at the pet store because of their eye-catching appearance with wide fins and vibrant colors. Because of these typical characteristics, most pet stores only sell male Betta breeds. Female Betta is mainly sold by aquarists or high end aquarium stores.
- Employees in pet stores have a broader understanding of pets than you. However, their expertise is limited and they only know about the animals that they love or sell a lot. When listening to a sex worker, ask if he or she has ever kept a Betta on their own, or should they look at the label before telling you which is male. , where are the children. If in doubt, just assume it’s a male Betta.
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Observe the foam. [7] X Source of Study When males are ready for mating, they often release water bubbles on the surface of the tank. They create hundreds of thousands of tiny bubbles that clump together. This is clearly preparation for fertilization. Male Betta fish are the primary caregivers for their offspring.
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Observe the Betta’s antennae on the gill area. [8] X Source of Study Both male and female Betta fish have a membrane under their gills, which is a different color from their bodies. Usually their beards are brown or black, males have larger beards than females. You can only see the female’s beard when they are closed and have to look closely. The antennae of males are easier to identify even when their gills are open.
Advice
- Recognizing the sex of a Betta is a skill that needs to be honed. Seasoned breeders can tell the difference between males even if they are only about 2cm long!
- If in doubt, consult a Betta specialist at your local aquarium store. It’s best to go to a small but specialized store.
- If you are trying to determine the sex of an adult Betta, it is a useful practice to rely on size. In terms of overall body size, females are usually smaller than males.
Warning
- Female Betta can be kept together under suitable living conditions but males, on the contrary, should never be kept in the same tank. Similarly, male and female Betta fish should not be kept in the same tank except for short mating periods.
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This article was co-written by Pippa Elliott, MRCVS. Elliott is a veterinarian with more than thirty years of experience in veterinary surgery and pet treatment. She graduated from the University of Glasgow in 1987 with a degree in veterinary surgeon. She has worked at a veterinary clinic in her hometown for more than 20 years.
This article has been viewed 82,772 times.
Betta fish is known as a fighting fish. Usually they are sold individually in specialized vessels and you can see that all Betta fishes share the same appearance and behavior. Even so, male and female Betta fish still have different characteristics. Small differences in their appearance and behavior will help you distinguish between male and female fish. Their gender is very important if you want to keep a pair of Betta fish.
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