Geophagus group size
- Thread starter andy1985
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As juveniles, generally 5 or more for most true Geophagus species if you want to see their social group behavior. Similar with Satanoperca, 5 or more. As adults, pairs tend to be perfectly content to themselves in a community with other compatible fish and, depending on species and temperament of individual fish or pairs, may actually be calmer that way-- again, that depends on things like gender mix and temperament of a particular group or pair. It can go both ways ime.
I've had and seen some very nice tanks with 7, 8, or more in a group, such a shoal can make a nice display. Then again, adult pairs of a large, high bodied species like altifrons have plenty of presence on their own.
G. brasliensis and closely related species are a bit different, different fish, really, and generally more belligerent, not as social, except when small.
I've had and seen some very nice tanks with 7, 8, or more in a group, such a shoal can make a nice display. Then again, adult pairs of a large, high bodied species like altifrons have plenty of presence on their own.
G. brasliensis and closely related species are a bit different, different fish, really, and generally more belligerent, not as social, except when small.
I usually suggest "at least 6 Geos", but which Geo species preference might may depend on. flow rate....
Many rheophillc Geos prefer (and do best in) highly oxygenated water, with brisk flow rates
Arrows usually prefer slow to moderate flow rates.
Many rheophillc Geos prefer (and do best in) highly oxygenated water, with brisk flow rates
Arrows usually prefer slow to moderate flow rates.
Depends on relative size. Large aro and small geos could be a problem, but I've seen plenty of tanks with arowana and geos. That said, for a 30" arowana, you'd probably want one of the larger growing geo species.
Yes, I have seen Aros and Geos together, but the Geo's are nearly full grown with a smaller Aro.Depends on relative size. Large aro and small geos could be a problem, but I've seen plenty of tanks with arowana and geos. That said, for a 30" arowana, you'd probably want one of the larger growing geo species.
Agree, though the true rheophilic geo species (such as agyrostictus, taeniopareius, and harreri) are comparatively uncommon in the hobby compared to the better known high-bodied geos which, while they do need good oxygenation, aren't fussy about current, many of them spending time in calmer water.
Not always. That said, it can depend on the individual fish, how the arowana was raised and fed, etc., so not exactly disagreeing with you... examples only, not trying to state a cosmic, no exceptions truth here:
I agree. I had a Silver for a few years but had to sell him because he killed everything within the tank... plants, filters, heaters, other fish, my hand, etc.. I had always fed him live fish, which may have been the cause of his idiotic behavior.