My stock currently in the 75 are 2 brasilis, 2 altis, 2 heckelii, 1 leucy, 1 angel, 2 ramerezi, rubber mouth pleco, normal pleco, and 6 cories. Now, before everyone bashes my stock bc of differences in water parameters and temps, I do plan on moving the brasiliensis pair in the future as well as upgrading to a 5ft minimum tank in the next year or so. Brasiliensis do come from cooler waters, as well as being able to tolerate saline waters to an minimal extent. I do realize the size these guys can get as well as the varying water parameters for each species of fishes in the tank. I dont think the minor differences in parameters between the species is enough to affect generations of captive bred individuals like the ones I have; I could understand if they were wild caught, or even F1 offspring. I think the most important key to big, healthy fish is clean water and parameters being CONSISTENT, as opposed to constantly changing them to get the desired simulation of the fish's environment. Healthy fish? Best believe! I feed a varied diet, change the water 2x a week, and constantly interact with the fish. All of them let you "hold/pet them" and the plecos come to greet you by sucking on your hand. It's an awesome sight when I open the front door and all the fish swim to the top and front!
1.0 S. leucosticta @ 5.25"
1.1 G. brasiliensis @ 4.5"
1.1 ? maybe 2.0? A. heckelii @ 3" (these guys are growing amazing with there colors)
2.0 G. altifrons @ 4" (the one shown is infront the light, so his colors are off. usually a teal color and starting to realy develop the reds)
1.0 S. leucosticta @ 5.25"
1.1 G. brasiliensis @ 4.5"
1.1 ? maybe 2.0? A. heckelii @ 3" (these guys are growing amazing with there colors)
2.0 G. altifrons @ 4" (the one shown is infront the light, so his colors are off. usually a teal color and starting to realy develop the reds)