Hey i have 3 3-4" g. abalios, a 5" jurupari, and some 1" fry that i think are alabios too . My problem is that the majority of my geo's are always fighting. They are housed in a 110g tank and their tank mates are 12 serpie tetra's and 3 synodontis. So yeah any advice as to what i could do for them to chillout a bit? Also, how do i sex them cause i have a hunch that they are all males and that's why they are fighting.