The tank is 72"X24"X30". My hopeful list is from Lake Tanganykian: Erermodus cyanostictus,Altolamprologus calvus & compressiceps, Julidochromis regain,Noelamprologus brichardi & leleupi & prochilus & toae, Plecodus straelini, Cyphotiliapia frontosa, Tropheus duboisi & moorii. From Lake Malawi Iodotropheus sprengerae, Labidochromis caeruleus, Melanochromis labrosus, Metiaclima estherae, Aulonocara hansbaenschi & stuartgranti & sp, Cyrtocara moorii, Dimidiochromis strigatus, Lethrinops cf. lethrinus, Sciaenochromis fryeri. The spelling I hope is correct and any help or suggestions would be appreciated. Also, out of the blue could I use Tufa rock in my tank to offset the Mexican bowl rock? thanks again Shane