Goldfish diseases with pictures are covered in full here — all common goldfish diseases and…

Goldfish lice aren’t actually lice at all. They are a crustacean parasite, related to crabs…

If your goldfish bent spine has developed a visible curve — a C-shape, an S-shape,…

If your goldfish has developed a blood-red streak, patch, or spot on its body or…

If your goldfish is losing weight despite eating normally, passing pale, stringy waste, or has…

Goldfish camallanus worms also known in the hobby as “red worms”, are one of the…

Despite the name, goldfish anchor worm isn’t actually a worm — it’s a parasite, a…

Goldfish Gill flukes have a reputation among experienced goldfish keepers as one of the hardest…