Fundulopanchax arnoldi has been introduced into the hobby a number of times, but has disaapeared each time. It may be in a few tanks worldwide at this time, but there is not information on the possibility.
Boulenger G.A. 1908.- Description of two new Cyprinodont fishes from West Africa. Annals & Magazine of Natural History (8) 2 (7): p 29-30.
Photograph found on tropicalfishsite.com
G.S. MMyers, 1924