Five Synodontis lucipinnis also sold as dwarf petricola, or multipunctatus.
Bichir is a 20" fish. Seriously Fish says this. They are not recommending Africans. In general, African males are not known as peaceful fish and probably won't want the bichir in their territories.
Not to be trusted with tankmates it can fit in its mouth but is relatively peaceful otherwise. Suitable tankmates include other Polypterus species, Synodontis, Datnoides, Knife Fish, larger Ctenopoma species, medium to large characins and African Butterfly Fish.