Betta, or Siamese fighting fish, are one of the most popular aquarium fish in the world. Originating from southeast Asia, betta fish are known for their diverse range of colors with over 70 different types of bettas.

These freshwater fish are often kept as pets and are relatively easy to care for. And when given proper care, betta fish can live for a while. But what is the average lifespan of a betta fish?

Here is what to know about betta fish, including how long they live and how often you should feed them.

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How long do betta fish live?

In captivity, betta fish typically live between two to five years, according to Adelphi University. However, when given proper care, betta fish can live longer. Some report betta fish can live between five to seven years in ideal conditions.

A betta fish's lifespan depends on the care it receives, so the cleaner its tank and the healthier its diet, the longer it may live, according to Fetch by WebMD.

What kind of fish is Dory? Everything to know about the fish from 'Finding Nemo.'

How often to feed betta fish

Betta fish should be fed twice a day, according to Aquatic Veterinary Services. Betta fish are natural carnivores, so it is important to give them a high-protein diet. Fish pellets are often recommended over flakes to feed betta fish.

A betta fish's feeding habits are also based on the temperature of its environment. The water in your betta fish's tank should be around 76 to 82 degrees Fahrenheit, according to Aquatic Veterinary Services. If the temperature is out of this range, it could cause problems for your betta fish, such as gastrointestinal or other health issues.

More on pet care: What to know about your pet's health and common behaviors

Do betta fish sleep?

Like any other fish, betta fish do "sleep." Fish do not sleep in the same way mammals do, however. Fish rest by slowing down their activity and metabolism, according to the National Oceanic and Atmospheric Administration.

Another difference between a fish's sleep and that of mammals is fish rest with their eyes open. Unlike mammals, fish do not have eyelids. So, a fish may appear wide awake while they are actually sleeping.

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This article originally appeared on USA TODAY: What is a betta fish's lifespan? What to know about how long they live, how to care for them.

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