Goodeids
- Descriptions of the species, along with a discussion of habitat.
- http://www.goodeiden.de/html/goodeids.html

The Lost Treasure of the Aztecs
- Article by James K. Langhammer.
- http://www.nanfa.org/articles/acaztecs.shtml

Breeding Chapalichthys pardalis
- An article by Tom and Pat Bridges.
- http://www.aquaticcommunity.com/universal-viewid56.html

John Lyon's Goodeid Priorities for Captive Maintenance
- Wild status of various Mexican goodeid species.
- http://livebearers.org/ALAPublic/lyonsgoodeids.html

FishGeeks: The Butterfly Goodeid
- Describes personal experiences with this fish, and the necessary aquarium environment.
- http://www.aquaria.info/modules.php?op=modload&name=News&file=article&sid=302

Xenoophorus captivus
- An introduction to Splitfins.
- http://users.kent.net/~lisab/Xcaptivus.html

The "Red Flash" Livebearer
- An introduction to Characodon lateralis which may be extinct in the wild.
- http://www.gsas.org/Articles/1997/C-lateralis.html