Can Existing Rainbows Kill Or Eat New Tetras, Loach And Gourami.

[joyboy]

Ive decided to buy cardinal tetras, kuhli loaches and pearl gouramis for my tank. I have 2 rainbows in there, will they kill or eat my new fish (One's red rainbows and the second is Parkinson rainbow). I also have a black moor that i still unsure about. It says in some websites its not like goldfish and it lives in warm water?

 

[thereverendturtle]

Your additions should be fine if your rainbows aren't huge. By the way the rainbows should be in groups of at least 6 of each species. Also your black moor is a goldfish, same as a fantail, a comet or a feeder. It should not be kept with tropicals at all.

 

[drobbyb]

Rainbows, if they have some size to them, will kill new additions if they are small enough. If the cardinals were already in the tank they will get along fine. I tried this with rummynose tetras but my bows killed them as soon as I added them to the tank. They were fine with odessa barbs though being larger.