Aquarium enthusiasts are like any other type of enthusiast and they often cannot get their hands on enough information about the care and keeping of an aquarium. That includes public domain content like The Guide to Higher Aquarium Animals, by Edward, Robert Thorpe, and Dorothy Tyler and published in 1944.
http://www.archive.org/details/guidetohigheraqu00boar
Now aquarium science has definitely progressed [...]
