Master the Art of Fishkeeping

A betta that stops eating is usually fixable. Here are the 11 most common causes, from new-tank stress to parasites, and how to respond to each.

Not every fish can share a tank with a betta. These 13 tank mates are proven safe for a 5-gallon setup, plus which fish to avoid.

Betta and goldfish need different temperatures, space, and water conditions. These 6 facts decide whether they can share a tank.

Bettas need 8-10 hours of light a day — but bright glare, blue night lights, and reflections stress them. Here's the light setup that works.

Worried about your betta? Here's what betta fish behavior before death looks like, which signs mean old age, and which ones you can still fix.

The short answer is yes, but only under specific conditions. Here's when male-female betta cohabitation works and when it ends badly.

Flaring once or twice a day is normal betta behavior. When it's constant, something's wrong. Here's why bettas flare and how to stop it.

Bettas can usually survive without food for 10-14 days. But it's not recommended to leave your fish without being fed for more than 4 days. Click to learn more!

Are you looking for how to euthanize your dying betta with less pain? I'll explain the detailed & step-by-step entire process for you.