Most disease outbreaks in an established aquarium start the same way: a new fish goes straight from the store bag into the display. Ich, velvet, flukes and bacterial infections can all ride in on a fish that looks fine on the day you buy it. A quarantine tank is a...
Breeding bettas looks simple in videos: put two fish together, watch a bubble nest form, and collect the fry. The reality is that a single spawn can produce hundreds of babies that each need care, space, and food you have to culture yourself. Before you start, it is...
If you see a grayish-white, cottony patch on a fish, especially around the mouth, back, or fins, your first instinct is probably fungus. Nine times out of ten it is actually columnaris, a bacterial infection that spreads fast and can wipe out a tank in days if you...
When your fish start hanging near the surface and gulping, it is one of the clearest distress signals in the hobby, and it almost always means something in the water has gone wrong. The good news is that most causes are fixable in minutes once you know what to look...
Bringing home new fish or shrimp is exciting, but the moment you add them to your tank is also the riskiest. The water in the bag is almost never a match for your tank, and dumping a sensitive animal straight in can shock it badly. Drip acclimation is the gentle...