http://forum.aqua-fish.net/ A forum devoted to aquarium fish, plants, techniques and fish keeping as a whole. en http://forum.aqua-fish.net/?topic=plzzzz-save-my-fishes-#1 i hav 50 gallon tank with 2 yellow parrot 2",2 silver julious4",5 rainbo shark 3-4",3 mono shark 1",12 rosy barbs 2",1 gold fish 8",1 cat fish 3",2 scarlet 3".... plzz temme that is there any fish which i should remove from tank,i lyk parrot and silver julious a lot...... thank you! 50 gallons 2011-02-21 http://forum.aqua-fish.net/?topic=plzzzz-save-my-fishes-#2 the goldfish would be best to remove they r "dirty" fish this means they put alot of nitrogen in the water witch other goldfish can handle but it can be harmful for many tropical fish. joee3196 2012-03-04 http://forum.aqua-fish.net/?topic=plzzzz-save-my-fishes-#3 You are right goldfish are messy and produce a lot of poop and urine. irwin id 2013-07-15