Betta Diseases

Betta popeye is the condition where one or both of a betta’s eyes visibly swell and bulge outward from fluid building up behind the eye. The single most important thing to determine is whether one eye or both eyes are affected, because that tells you whether you’re dealing with a treatable injury or a deeper

Betta velvet is one of the deadliest and most under-diagnosed parasites in the hobby, it can suffocate a fish through its gills before the owner even realises something is wrong. This guide shows you exactly how to identify velvet using the flashlight test, how it differs from ich and fungus, the precise dark-heat-salt-medication protocol that

Betta fin rot is one of the most common, and most treatable, illnesses a betta owner will ever face, but only if you catch it early and fix the real cause instead of just dosing medication. In this guide you’ll learn exactly how to identify the three stages of betta fin rot, the precise water-change,

Betta columnaris, also called cotton mouth or mouth fungus, is one of the fastest-killing infections in the hobby and the single most commonly misdiagnosed, because it looks exactly like a fungus but is actually a bacterial disease that antifungal medication cannot touch. This guide gives you a fast, accurate way to identify columnaris versus true

A true betta fungal infection looks like a distinct fluffy white cotton tuft growing on a wound, and it’s far less common than the “fungus” most owners think they’re seeing, which is usually the much deadlier bacterial disease columnaris. This guide gives you a reliable visual test to tell true fungus from columnaris, explains why

Betta swim bladder disease is the single most common “my fish is dying” panic among betta owners, and the good news is that it’s also one of the most fixable, because the usual cause is overfeeding and constipation rather than a fatal infection. In this guide you’ll learn what the swim bladder actually does, how