It is immediately apparent when looking at Malaysian and Indonesian oxycephalum that there is a distinct difference between the two when it comes to head shape. It is also fun to compare the oxycephalum to the Jampea (black) and Sulawesi jansenii. I'll post photos of...
Formerly, the all black jansenii were referred to as Salayar/Selayar jansenii, due to the belief that they were collected from that particular island and possibly limited to that area. We have now been informed by Dan Mulleary (DM Exotics) that the jet black jansenii...
Most hobbyists interested in Gonyosoma are familiar with the various color phases and localities of G. oxycephalum and the typical tan/silver G. jansenii from Sulawesi/Celebes. See here for a bit more information. However, it has been ages (decades?) since any of us...