Dr. Gerald Bassleer’s New Illustrated Guide to Fish Diseases (Third Edition)

A Comprehensive Diagnostic Tool for Tropical, Freshwater, and Pond Fish Enthusiasts

This updated third edition of Dr. Bassleer’s New Illustrated Guide to Fish Diseases is a must-have reference for every serious aquarist, fish health professional, and aquatic retailer. With over 1,000 high-resolution photographs of actual diseased fish, this guide is one of the most visually comprehensive diagnostic tools available in the aquarium hobby.

Unlike traditional manuals that overwhelm with technical jargon and sparse images, Dr. Bassleer’s guide excels in clarity and practicality. It empowers readers to observe, recognize, prevent, and treat common and rare fish diseases with confidence—whether in a home aquarium, commercial facility, or pond setup.

What’s Inside:

• ✅ Over 1,000 full-color clinical photos that make identification easy and accurate.

• ✅ Straightforward language and concise disease profiles designed for both hobbyists and professionals.

• ✅ Root-cause analysis tools, including a symptom-based questionnaire to pinpoint problems quickly.

• ✅ Step-by-step treatment protocols, including the latest medications and best practices in modern fish healthcare.

• ✅ Ideal for aquarium retailers, pond centers, veterinarians, fish farms, and serious hobbyists.

About the Author:
Dr. Gerald Bassleer is a world-renowned expert in ornamental fish health with over 25 years of hands-on experience in diagnostics, treatment, and fish disease education. This third edition builds on the success of his original Color Guide of Tropical Fish Diseases (1983), combining decades of research into a single, accessible volume.

Whether you’re dealing with parasites, bacterial infections, fungal outbreaks, or mysterious symptoms, this guide offers the clarity and confidence needed to keep your fish healthy and thriving.