The "Red Flash" Livebearer - An introduction to Characodon lateralis which may be extinct in the wild. Breeding Chapalichthys pardalis - An article by Tom and Pat Bridges. The Lost Treasure of the Aztecs - Article by James K. Langhammer. Goodeids - Descriptions of the species, along with a discussion of habitat. Goodeid Working Group - An international organization dedicated to maintenance of captive populations of threatened or endangered Goodeids and the compilation of Goodeid-related practical and technical literature. Goodeidae: Goodeids - Several profiles with pictures.