Hi--I'm a longtime MFK lurker but first-time poster that has acquired two Geophagus sp. sold to me as Surinamensis. From what I have read on here, Surinamensis is pretty uncommon. I think I have Altifrons, but I'd like opinions from some folks here who are more well-versed in eartheaters than I.
Some pics (pardon the quality, especially on the latter two):






Some pics (pardon the quality, especially on the latter two):






