Much information on the genus Oryzias may be found here.

Guide to care, feeding, and breeding of killifish, including a database of species-specific information, user-submitted spawning reports, and a photo gallery.

Database of information on West African killies including photos, history, references, populations and ranges, meristics (water parameters), and breeders' notes, sorted by genera.

Photos of many different species and collections of killifish, and of the authors' 160-aquarium fishrooms.

The SAA is a worldwide group of aquarists dedicated to maintaining, breeding and studying South American annual killifish.

Photographs of about 50 species/variants of killies, fishroom layout, breeding articles, and available fish listings.

Subscription page and searchable archives of an e-mail list for discussing killifish keeping.

A beginners' guide and photo gallery.

A page devoted to Cynolebias, including an interesting story about the Emperor of Japan.

Online posting of a club newsletter article on spawning these fish.