So, what do goldfish eggs look like? They’re tiny, round, and sticky, measuring about 1…

How do goldfish eggs get fertilized? Goldfish are egg-laying fish, and fertilization happens externally in…

Goldfish egg development stages can be surprisingly easy to follow once you know what to…

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…