Aggressive Cardinal Fish????? Is this normal

[stew07]

I have a Bengaii Cardinal that seems aggressive? Is this normal. He chases my starry blenny and my candycane hogfish (and I like both of them more). I haven't seen him actually bite them but I'm not watching the tank 24/7. He does leave my mimic puffer and diamond goby alone?

[Waters40]

My Bangaii is somewhat territorial....will chase and nip fish that get too close to his "area". Definitely seem to be more aggressive then the Pajamas in my experience.

[jayball]

Mine just floats there. He was aggressive to another Bangaii that was in the tank but no one else.

[Sapelo]

No aggression here.
Couple of thoughts: what size is your tank and what are your parameters? I've read that low Alk can make some fish cranky

[Pacecar83]

Another floating tank dweller here too..
I had two cardinals but one died (not sure if that was cospecies agression or not)

[stew07]

Thank you all for your replies. I love this forum. I watched him as did my wife for quite some time today and he went after and nipped my starry benny multiple times and went after my candy stripe hogfish. I took him back to my lfs and it is amazing that my candy stripe is out swimming way more