One tank has clown loaches i think i have 8 plus some 2 catfish and an algea eater . The other bigger tank has 3 neons, 6 swordtails, 2 cat fish ,4 BNs and 6 guppies and an upside down cat fish . Had a female fighter but she died had some sort of bulge on her side. Looking to have some more fish but not sure what yet ....