A comprehensive guide to fish
Aquarium Science Index
Aquarium biology
Fish biology
Water chemistry
Terminology
Wart-skin frogfish,
Antennarius maculatus
Aquarium science
The aquarium science pages deal less with the actual fish that we keep and more with the technical side of fish keeping.
Testing the pond or aquarium water for quality is a vital part of fish keeping and the more you know about these things the better your ability to understand what is happening when things don't go right and as a result you will be in a better position to correct things.