. Corydoras Catfish - They are very active, plays up & down, constantly cleaning waste, not like plecostomus sucking forever on one spot of the aq glass, pleco also kills other fish, corys are better, they live upto 15-20 years :) Black Skirt Tetra - Keep at least 5-6, I kept 2, They fight but still healthy! Angelfish - No trouble, eats anything, I keep them in low temp 25-26 deg C. ... Goldfish Dragonfish Rainbow Shark Corydoras Catfish Black Skirt Tetra Angelfish Fish Pet Animal Aquarium ...