In a message dated 8/9/1999 2:55:16 PM Eastern Daylight Time, apistowise@bewellnet.com writes: > Species have been separated on more subtle features than the number of flank > spots. M. altispinosus is very widely distributed in the upper Rio Madeira > system (Rio Madre de Dios, Rio Beni & Rio Guaporé) of Bolivia & Brazil. It may > extend into the closely adjoining Mato Grosso as well. I wouldn't be surprised if > this species is separated into several species once we have enough collection > data. mike, marco lacerda, among others, thinks it is a separate species. the 2-spot variant is from mato grosso and has a different geographic distribution, as you pointed out. this complex might turn out to be different species, like the mesonauta complex (the old festivum). tsuh yang chen, nyc ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!