I have a 29g biocube. Had just one fish for about a month, not sure if it's a chromis or a damsel. My wife put him in there. I just added a cardinal and a firefish and the older one is going nuts. Seems like he's policing the live rock. He's chasing the other fish down. What should I do?
bully!
- Thread starter Fird
- Start date
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Freshnoob1
Aquarium Advice Freak
That's a damsel and they're aggressive. Get rid of him is all I'd advise you to do. He sees that tank as his own territory and won't share it with anyone else, peacefully at least. He'll stress the other fish out until they catch a disease and most likely die. I had a damsel for a long time that started out with a couple other fish and by the end of my tank the damsel was the only fish left.
