yeah. i always wanted zaires variant.
i purchased these guys and girls from crlca.com back in Dec 2003. they were around 3-4inchese then. the beta male is the largest (for some reason) at ~11inches. 3M/7FM. They are quite peaceful,and live well with their much smaller tankmates incl. brichadi, julies, lelupi, syndo cats, pleco.
Bizmark has less blue in general than mpimbwe. However, bizmark has more blue on the head than Mpimbwe. In general, the level of blue of bizmark is somewhere between Ikola (more uniformly all over body powder blue less intense blue) and Mpimbwe (more electric blue on the head and top body)