GENERA index

Here you'll find a comprehensive listing of every killifish genus and subgenus. Both valid and invalid general are listed along with the a convenient abbreviation codes for each one.

SPECIES index

This is a complete listing of all known species of killifish, both valid and provisional names, sorted in alphabetic order and listing known localities of the fish.

CROSSES listing

While every effort should be made to keep populations of killifish pure, crosses are made to determine species interrelationships. Here you'll fins a comprhensive list of known crossed made to date.

MERISTICS and related information

Here you'll find a comprehensive listing of various measurements of all known killifish.

SYSTEMATICS of killifish

Since taxonomy is a system of classifying things it's important to understand how that system works and what the rules are. This International Code of Zoological Nomenclature (ICZN) which coordinates the Linnean classification system is explained here.

We've extended J.J. Scheel's three letter codes to include new world as well as old world Rivulins, and this is the nomenclature and taxonomy used throughout this site.