The ACA C.A.R.E.S. program is a species maintenance program for at-risk species of Cichlids. There is a good breeding program and I recommend anyone who keeps endangered, threatened, or vulnerable species join the program. It is also a good way to network and find cool fish. The site has a regularly updated priority list.
http://cichlid.org/ACA_CARES.htmlFor those who keep non-cichlids, here is the other C.A.R.E.S. Program site.
http://www.carespreservation.com/