Complete Betta Fish Care Guide For Beginners: Everything You Need
Betta splendens (also known as Siamese fighting fish) are an incredibly popular freshwater fish who’s beautiful and vividly coloured tails can be found elegantly swimming in aquariums all around the world.
Their wild, eye-catching coloring has made them one of the most popular fish in the aquarium hobby and a lot of misinformation is available online. It’s easy to be misled if you are a beginner.
That’s why I decided to write this betta fish care guide – to teach you absolutely everything you need to know about caring for these beautiful freshwater fish.
This guide will cover everything you need to know from the size of the tank, the filtration system, the water temperature, their diet, and even how to decorate your aquarium to accurately replicate the betta fish’s natural environment.
But first, let’s start with the basics.
This is an intensive, in-depth guide covering several topics for how to take care of a betta fish. If you are looking for a specific piece of information, you can head straight to that particular section:
If you want to be 100% certain you’re giving your betta its best life, try our interactive course with exclusive, in-depth video tutorials you won’t find anywhere else.
The Betta Fish Care Basics

To take care of a betta fish, you need to have a clear understanding of betta
- Betta fish are tropical fish. They require tropical climate water between 75 – 80 degrees. Water pH should be neutral (around 7) and ammonia and nitrites should be as low as possible (ideally zero).
- Betta fish are carnivores and eat a protein-rich diet. Don’t feed them flake food.
- The lifespan of a betta fish can reach up to 10 years, despite the average being 3-5. If you look after your fish, they will be around for a long time.
The most important part of looking after a betta fish is to set up their tank correctly.
It’s their home. You want to make it as nice as possible!
