Freshwater Disease and Prevention Articles

How and When to Use Salt to Treat Tropical Fish Diseases
Salt is effective in treating certain fish ailments, but don't abuse its use

Many Have the Wrong Concerns about Pond Fish Diseases
Learn how to properly deal with goldfish disease problems.

Deadly Dropsy
How to care for fish that have come down with dropsy.

Camallanus worms
Camallanus worms are among the most commonly encountered internal parasites for aquarium fish.

Chaca Catfish With Fat Lip
A fat lip can be an adverse reaction to water that has become too acidic.

Fish and Fungus
Fungal infections are often the result of other diseases caused by poor water quality.

Fish Cloudy Eyes
Do you know what causes cloudy eyes in aquarium fish, and is there any way I can treat it?

Follow the Clues in Your Tank
Follow the clues your tank is giving you to discover any problems.

Goldfish Tumor
When a goldfish has a deadly tumor, you may want to humanely euthanize it.

Guppy Disease (Tetrahymena)
As its name suggests, guppy disease (Tetrahymena) is a major problem for those keeping guppies, but other types of fish can be affected too.