the upper jaw species are
senegal
delhezi
retropinnis
mokelembe
palmas polli
palmas palmas
palmas beutikoferi
teugsli
weeksii
You can have all except the last two. The last two get too big for a 75 gallon. Just don't put too many of the other species in.
ya that sounds good you could even plant the tank for extra filtration. i thought a ploy only planted tank would be awesome to have but cichlids took over and they dig
awesome but now I have a lil problem where do I find an online supplier that carries those fish I tried aqua bid but all of those bichirs are live caught and most likely have anchor worm