betta fish male vs female

Betta Fish Male Vs Female: What Are The Common Differences

When it comes to betta fish, everyone seems to be looking at the colors and patterns. It’s true that these are important characteristics of a betta fish, but there are other things you should know about male and female bettas in order to better care for them. In this article, we’ll explore some of the differences between male and female Bettas including tail shape and fins, body size and shape as well as coloration. So let’s get started.

Betta Fish Male Vs Female

We will divide these differences into 2 main categories:

  • Physical Differences
  • Behavioral Differences

Let’s have a look at them one by one.

Physical Differences

betta fish male vs female1

1- Tails And Fins

Male bettas have longer fins than female bettas, which is why they can be distinguished by their fins alone. Male bettas also tend to have longer tails than their female counterparts.

Female bettas tend to have shorter combinations of pectoral and caudal fins than male bettas do. This is because they do not need as long of a tail as males do in order to keep themselves warm during cooler weather conditions!

2- Body Shape

Another difference between the sexes is the shape of their bodies. The male fish has a more slender body than the female, as well as a longer dorsal fin. The female’s body is rounder and wider compared to the male’s.

3- Body Size

Adult male betta fish can grow up to 2.5 to 3 inches in length, whereas adult female betta fish can grow up to 2 to 2.25 inches in length.

3- Color

The male betta fish is a deep red color with a black spot on its forehead. Its fins are clear, and it has a yellow belly. Its body is narrow and elongated, with a long tail fin. The male betta fish has a large protuberance (or hump) on its head that extends backward. The hump is filled with blood cells that make the male betta fish look like it has been hit by lightning! The hump is also called “the crown” or “the comb.”

The female betta fish is usually much lighter in color than her male counterpart, with a more subdued red hue. Her fins are clear but may have some dark spotting on them, depending on how many babies she has had in the past few months. She also has a yellow belly and body shape that’s more elongated than her male counterpart’s.

4- Vertical Stripes

Another difference between male and female bettas is the presence of vertical stripes. Female bettas will develop vertical stripes when in mating conditions, and this can be seen on their bodies as well as their fins. The tail of a female betta fish may also be darker than that of its male counterpart due to increased pigmentation during pregnancy.

While male betta fish do possess such attributes.

5- Egg Spot

You may have heard about the egg spot. This is a white spot on the underside of the female’s belly that becomes visible when she is ready to lay eggs.

The egg spot will appear in the same place every time but can vary in size and shape, according to the species of betta fish you are keeping.

It’s not just a matter of knowing where it will be, you also need to know what it is. Egg spots are actually ovaries, which are part of your female betta’s reproductive system. They contain eggs that she will only lay once she has grown enough.

While the male bettas don’t have an egg spot on their bellies.

6- Beard

It is another most noticeable difference between male and female betta fish. Male betta fish has a beard, while females do not.

The main reason why male betta fish have beards is that they are able to use them to attract females. The males that have beards are usually the more mature, dominant ones, and they also tend to have more colorful fins. When two males are together, one will often try to impress the other with his fin color or his beard. If a female sees one of these males with a full beard and she likes what she sees, then she will most likely choose him over another male who does not have such an impressive appearance.

Behavioral Differences

male and female betta fish

1- Bubble Nesting

There is a difference between male and female betta fish. Male betta fish create bubble nests that are easy to see, while females rarely create bubble nests.

Male bettas blow bubbles in their bubble nest to attract a mate. Once they have found a mate, they will release the bubbles so that they can find it and choose which fish she wants to mate with. Female bettas do not create bubble nests, but instead, lay eggs on plants or gravel.

2- Temperament

The temperament of a betta fish is very important when it comes to keeping them in your home aquarium. Male bettas are among the most aggressive species of freshwater fish, and they can be quite territorial. It’s best not to keep more than three or four males together because they will fight with each other over territory and food and this behavior can lead to injury for some of the fish involved.

Female bettas aren’t as aggressive as their male counterparts; however, they should still be taken care of and provided with proper space.

3- Flaring

Flaring is a behavior that betta fish exhibit when they are sexually excited. It consists of the male fish extending their pelvic fins and opening their mouths, which causes water to shoot from the mouth and into the air. This behavior can be observed in male betta fish.

While this behavior may seem unpleasant to watch, it’s actually quite common among male betta fish. Because males’ fins are typically larger than females, they can extend them farther out than females can. which allows them to show off their fin muscles more effectively. This is also why you’ll often see male betta fish with larger mouths than females. it’s all about showing off and attracting.

Frequently Asked Question (FAQs)

Should I Get Male Or Female Betta Fish?

We know that you’ve been thinking about this question for a while, so we’re here to answer it. We’ve done the research, and we can tell you that it’s best to get a female betta fish. Why? Well, because they’re more sociable and interactive than males. They tend to be more active, playful, and curious than males.

Both genders are great at keeping your tank clean and maintaining healthy aquarium conditions (which is something their owners will appreciate), but females tend to be better at it because they are more motivated by affection than by food (which is why they often end up eating less than males).

Can You Put A Male And Female Betta Fish Together?

It’s perfectly fine to put a male and female betta fish together, but keep in mind that they can get aggressive sometimes.

If you want to make sure your betta fish is happy and healthy, it’s best to keep them in pairs or groups of six or more. The same goes for any other type of fish you should never have more than one male per tank.

Betta fish are highly social creatures that require ample attention from their owners, so it’s important to match up their preferences with your lifestyle. If you’re a busy person who doesn’t have time for keeping an eye on them, you might consider keeping them in pairs rather than singletons.

Why Do Male And Female Betta Fish Fight?

Male and female betta fish fight for dominance, as well as to establish their dominance. This is a normal part of their social dynamics and can be seen in most other species of fish as well.

The reason they fight is that they want to prove their worth to the other fish around them. If a male betta wins over a female in a fight, he will be able to mate with her and therefore increase his chances of having offspring.

Are Female Betta Fish Less Aggressive?

Yes, female betta fish are less aggressive. The reason why female betta fish are less aggressive than male betta fish is that they are smaller than males and they have fewer testosterone levels in their bodies than males do. This means that they do not have as much energy or motivation to fight other members of their species.

It can be argued that female betta fish who become pregnant may get more aggressive towards other members of their species who are trying to mate with her; however, this does not seem likely since pregnant bettas will often hide away from other males until after giving birth.


So, there you have it: the nine main ways that female bettas differ from males. I hope this post has been helpful in helping you identify your new pet or choose a mate for your current one. If you have any questions or comments, please leave them below and I’ll be happy to answer them.