fish to co inhabit with geophagus

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Pretty good list, really. I've personally done Heros, wild angelfish, plecos, some milder acara types, some tetra species, plecos, guianacara... not the whole list of what's possible or what I've seen, which includes Mesonauta, Uaru, some Crenicichla, Hypselecara, and others-- obviously, tank size requirements would vary. Depends a bit on geo species, since geos vary so much in size and temperament, from under 6 inches to near 12 and some geos are pretty wimpy, some are more feisty-- for example I've been growing up some sveni and mirabilis together and I'm considering separating them because the mirabilis boss the sveni despite being smaller (mirabilis are about 3.5-4" and sveni 5 and 5+ right now).

Mid and upper water species, like Heros and others can fit nicely because they tend to orient (not to say restrict themselves) to different levels of the tank.
 
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Are we talking true Geos of the surinamensis complex, 'Geophagus' brasiliensis complex, crassilabris types, etc.? All are different levels of aggression from different geographical regions.

True geos tend to do best with other medium to large peaceful cichlids (Heros, Uaru, most of the acaras from Aequidens/Andinoacara/Krobia/etc., Cleithracara, and so on), larger tetras (larger geos like altifrons may eat tetras that are too small)... Basically if it's too large to eat and not overly nippy or aggressive, it's probably fine.

The brasiliensis and crassilabris types can be a bit more belligerent and pushy, so it may limit your choices and also call for a larger tank.
 
youtube.comGeophagus - Guide to Amazonian Eartheaters - nearly all Geophagus species !Of the 31 described Geophagus species, 20 belong in the G.surinamensi-group. Check out the Geophagus guide with 16 of the 20 species and their habitats in th...
Because Geophagines are not really predatory on other fish, I find tetras of the amazon region great tank mates, and other non-aggressive cichlids.
I don't consider central American cichlids appropriate tank mates. They usually require harder, more mineral rich water, with higher pH, and can be much too aggressive and come from thousands of miles north.
Take the firemouth from Southern mexico and northern Central America, where waters are more alkaline, and over 4000 km from the softer water waters of the Amazon. Although one of the less aggressive central Americans, it is not not at all geographically correct.
 
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I had red head geos with angels, discus, rams, bgk, dicrossus and corys. Eventually the dicrossus "mysteriously" disappear. I think that the BGK was the responsable 'cause geos was really peacefull.
 
I have x2 brasiliensis and x2 heckelii x1 enlicheri x2 comon goldfish some fancy guppies
I was gunna start off with getting more angels but more posts giving me more options to decide, 125 gallon
one of the brasiliensis is aggressive but i dont see him doing much damage yet they are all juvenile
 
I am currently keeping 3X Tapajos, 2X altifrons along with 2 mesoanauta mirificus, and a small school of black neons. I recently added some sunburst platy juveniles (I am over run with sunburst platys) thinking they would get picked off but they are growing and thriving. Strangely enough, a small school of 20 flame tetras ( Hyphessobrycon flammeus) slowly disappeared over the course of a month. I think that the g. altifrons were to blame for that.
 
I am currently keeping 3X Tapajos, 2X altifrons along with 2 mesoanauta mirificus, and a small school of black neons. I recently added some sunburst platy juveniles (I am over run with sunburst platys) thinking they would get picked off but they are growing and thriving. Strangely enough, a small school of 20 flame tetras ( Hyphessobrycon flammeus) slowly disappeared over the course of a month. I think that the g. altifrons were to blame for that.
for sure when my brasillinis grow small fish will get eaten i think
 
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