Tank problem?

[Anemonee]

Hey all,

I have a 26gal bow front tank with live rock, 4 coral, one yellow Watchman goby, one royal gramma, one red bubble tip, electric blue hermit, two emerald crabs and as of this morning, one clown fish. I found my other dead this morning and my green bubble tip died last week. My clowns weren't fighting and also weren't hosted by the anem that died. Is there a correlation?

Every time I do my parameter tests, everything is fine. I just did a water change a week ago and all my other fish seem ok.

Is there anything else I can test or do to make sure my tank doesn't take a nose dive and so no other fish die?


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[journeyman]

Hard to say without more info:

My guess would be if you're water quality is good, then it's aggression. 4 fish in a 26g is a bit tight. The Royal Gramma can be aggressive. So that would be my first guess. Also, you didn't say what kind of clownish. Maroon clowns can be really aggressive.

You didn't mention what kind of filtration you have. If you have a skimmer and fuge and your water quality is good, then it's most likely aggression. But if you don't have a skimmer and just do water changes, then your water will deteriorate over time until you change the water. That could explain why you bubble tip died a week apart from your fish. They could be dying right before your water change when your water is at it's worst.

Also, how old is your tank? If it's relatively new, then it may not be stable, especially when over stocked.

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