Welcome
Betta Fish Care Starts Here.
Bettas are one of the most misunderstood fish in the hobby. They get sold in cups, kept in bowls, and fed whatever’s cheapest on the shelf — and then people wonder why they only live a couple months.
KnowBetta exists to change that, with clear care guides, cited research, and honest answers to the questions you’re actually Googling.
Recent Articles
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How to Cycle Your Betta Tank: A Beginner’s Guide to the Nitrogen Cycle
Cycling is the best thing you can do for your betta’s health, and it’s simpler than it sounds. Whether you’re setting up a new tank or playing catch-up with a fish already in it, here’s how to get it right.
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What Size Tank Do Bettas Need?
Pet stores sell bettas in cups and market 1-gallon bowls as starter kits, so it’s no wonder tank size is one of the most confusing parts of betta care. We dug into the research to give you a clear, honest answer on how much space your betta actually needs and why it matters more than you’d think.
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What to Feed a Betta Fish: A Complete Guide to Betta Nutrition
Bettas are carnivores, not generic tropical fish, and they need food that matches. Here’s a practical guide to picking the right pellet, choosing treats, and avoiding the #1 feeding mistake new betta keepers make.
About the Author
I’m Annie, the creator of KnowBetta. I’ve been keeping freshwater fish most of my life and bettas have always been my favorite. KnowBetta is the betta care resource I wanted when I was starting out: clear, well-researched, and written by someone who genuinely wants to help.