African Butter Catfish African Cichlid African Snakehead Akar betta Albino Cory Cherub Angelfish Chevron Tang Chinese trumpetfish Choat's Wrasse Chocolate Surgeonfish Chromis Citron Goby

Pathogens which can cause fish diseases comprise:

viral infections bacterial infections, such as Pseudomonas fluorescens leading to fin rot and fish dropsy fungal infections water mould infections, such as Saprolegnia sp. metazoan parasites, such as copepods unicellular parasites, such as Ichthyophthirius multifiliis