Fish Illnesses and Disease in Freshwater Aquaria

A comprehensive guide to the identification, causative agents, treatments, and preventions for the most common infections found in freshwater home aquaria.

INTRODUCTION:

While nearly all of the recognized fish illnesses are caused by improper water conditions or poor diet, many can also be caused by parasitic, fungal and/or bacterial sources that are contracted other ways such as cross contamination. There are also various ailments that can be related to a fish’s genetics; Certain types of fish or morphs within a species can be more likely to contract one of these ailments depending on how much inbreeding is in their background.

This is a guide to help identify genetic based issues, physical stress, internal and external parasitic, fungal, and bacterial infections, as well as the treatment and prevention of them. With constantly changing information, this guide may become outdated and may need to be updated with new information or treatments. Never forget to use the internet to find any information this packet does not contain. If you need to put down a fish, see PROCEDURES for humane methods of euthanasia.

This was created to help others to better understand how to treat and prevent infections in the freshwater home aquaria from being introduced, causing harm, and from spreading. Information ranging from bacterial, parasitic, protozoan, viral, and physical distress signs are all included.

With hundreds of diseases and infections of all kinds, it’s difficult to put them all into one place. There will always be sickness, and fish are no exception. Knowing how to properly identify an illness in your aquarium based on the clinical signs and reacting with a proper treatment method is essential to keep your fish alive and healthy for a long time to come.

THIS SITE IS BEST VIEWED ON A LAPTOP OR DESKTOP COMPUTER.

TABLE OF CONTENTS:


HOME:

Introduction

Warnings


INFECTIONS:

Zoonotic Infections in Home Aquaria

Bacterial Infections

Fungal Infections

Parasitic Infections

Viral Infections

Physical Distress and Issues


Basic Procedure Information, Various Procedures and Resources

Manually Removing External Parasites

Euthanizing a Fish

Medication Choice and Dosing Guide

A Look At Internal and External Anatomy of Freshwater Fish


Basic Nutrition Requirements

Vitamin Functions and Defeciencies

Nutrients and Products Often in Commercial Foods