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They're territorial fish. They flare up to make themselves look larger. In doing this, they may scare away possible threats to themselves and their territory.

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15y ago

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How can you tell if your Betta fish is a male fish or a female fish?

The male Betta splendens is a larger more colourful fish with much larger showier fins than the female. He will also flare up almost immediately when he sees his own image in a mirror. The females do not do this so readily.


How do i know my betta is a female?

Your betta fish is a female if she has smaller fins than an average male.


How do you sex betta fish?

Male betta's are larger, more colorful, and have much longer fins. Female betta's are small, less colorful, and have short stubby fins.


How do male fish attracts female fish?

Male Betta fish will attract a female by flaring and showing off their long flowing fins.


Betta male expands fins when see female why?

Well, betta arn't the smartest fish. It probably spreds its fins out because it "thknks" there is another male fish in their so it wants the female to pick him... Also I advise you don't put 2 male betta fish together because they will REALLY TEAR EACH OTHER APART!


Which betta is a male or a female?

Male Bettas have more colour, are larger fish and have much larger fins than the females.


What fish can you put with a male betta?

You can put any other tropical fish that does not have long flowing fins or tail and is not aggresive.


What are the differences between male and female betta fish?

Male betta fish are larger, more colorful, and have much longer fins. They also differ in their behavior, and they obviously have different sexual organ systems.


How do you know if a betta fish is male or female when they are baby fish?

It is pretty hard to tell. Wait until they get older then see which ones have longer fins, and shorter fins.


How can you tell if Marine Betta is girl or boy?

you can tell if its a boy or girl by the fins the male Betta has long fins and the female Betta has small fins


What is the differences between male and female betta fish?

Typically the males are the ones with the longer flowing fins.


How do i know if my betta is a male or female without adding another betta?

A male beta fish blows a lot of bubbles. so if there are a ton of bubbles at the top of the bowl or tank, your fish is most likely a boy.