Yeah, I know, what's new there right? I've had a breeding pair in my tank for around 7 or 8 years with no major problems. They have spawned a few times over the years but never raised any babies. They pretty much mind their own business as long as no one comes to close to their corner of the tank.
A couple of days ago, one clown, the larger of the pair (about 4") decided to take over the other end of the tank (120 show) and has been beating the daylights out of my large Heniocus butterfly and my large Purple tang, who had owned that area of the tank for the last 3+ years.
The other fish in the tank are an adult Blueface Angel, 1 Pajama Cardinal, adult Engineer Goby (18"), a 4" Blue Hippo Tang and a Royal Gramma. All of these fish have been in the tank since they were tiny babies and have been together for at least 3 years. I have added no new fish in years, they only addition's are a couple of large snails about two weeks ago.
What could be causing the sudden aggression and how can I curb it? I turned all the light off before I left for work tonight in hopes of stopping the attacks. Should I move the rock work around? I can't do much for fear of causing a cave in and crushing the Engineer Goby, he is a very busy beastie and has many tunnels under the rocks. I have a fake anemone I could add, she might decide to claim it? I don't have good enough lighting to keep a real one in this tank.
Any help would be appreciated!
A couple of days ago, one clown, the larger of the pair (about 4") decided to take over the other end of the tank (120 show) and has been beating the daylights out of my large Heniocus butterfly and my large Purple tang, who had owned that area of the tank for the last 3+ years.
The other fish in the tank are an adult Blueface Angel, 1 Pajama Cardinal, adult Engineer Goby (18"), a 4" Blue Hippo Tang and a Royal Gramma. All of these fish have been in the tank since they were tiny babies and have been together for at least 3 years. I have added no new fish in years, they only addition's are a couple of large snails about two weeks ago.
What could be causing the sudden aggression and how can I curb it? I turned all the light off before I left for work tonight in hopes of stopping the attacks. Should I move the rock work around? I can't do much for fear of causing a cave in and crushing the Engineer Goby, he is a very busy beastie and has many tunnels under the rocks. I have a fake anemone I could add, she might decide to claim it? I don't have good enough lighting to keep a real one in this tank.
Any help would be appreciated!
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