My recollecation was that nijsseni were down the cacatuoides line past norberti. Thus, cacatuoides, juruensis, luelingi, norberti, njjsseni/pandurini. I thought the nijsseni complex was likely derived from the cacatuoides complex (Kathy, help me here! I can't remember my Aqualog flow chart, either). Lisa ----------- Reminder: Kindly quote parsimoniously when replying ------------- This is the apistogramma mailing list, apisto@aquaria.net. To subscribe or unsubscribe or get help , send the word "subscribe" or "unsubscribe" or "help" in the body (not subject) to apisto-request@aquaria.net