Australian Desert Fishes Pages: Descriptions and photos of native and introduced fish species found in Australian desert waters, as well as their habitats.
Class Actinopterygii: Taxonomy of the class known as bony fish, osteichthyes, ray-finned fish, or spiny-rayed fish.
Identifying Michigan Sport Fish: Fact sheets about some popular freshwater fish of North America. Includes a guide to common and scientific names of many fish.
Introduction to the Actinopterygii: UCMP Berkeley's introduction to the ray-finned fishes.
Nova Scotia Fish Species Factsheets: Descriptions and images of fish species found in the province.