Just yesterday I noticed this with my clownfish…

vetteguy53081

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Lowering my white or blue lighting? My lights should be turning off in 30 min I’m curious to how he will act with no lights just normal window lighting
White lighting. Be careful with window lighting as the UV from direct and indirect window lighting will cause and promote algae outbreaks
 

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I was also reading maybe my lighting could have something to do with it? Have you or anyone heard of fish being more territorial under blue dominate lighting??
I have not heard many people have problems with this, though there are a few people say that their clown fish hate blue light. I don't know if this is accurate, but all fish are different so I don't know. Like @vetteguy53081 said, try lowering your light a little bit.
 

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I was also reading maybe my lighting could have something to do with it? Have you or anyone heard of fish being more territorial under blue dominate lighting??
Fish are highly active with brright lighting. I cant say it spurs aggression. Aggression is part of a clowns' behavior
 
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Fish are highly active with brright lighting. I cant say it spurs aggression. Aggression is part of a clowns' behavior
Thanks for all your replies! I’m gonna keep my fingers crossed this is a normal behavior for them! I’ll keep y’all updated here if anything changes!
 

Jay Hemdal

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Thanks for all your replies! I’m gonna keep my fingers crossed this is a normal behavior for them! I’ll keep y’all updated here if anything changes!
I have a completely different take on this - that tail down sculling motion is pretty common in tank raised clownfish that have a developmental issue with their swim bladder. The fish are slightly negatively bouyant, so they scull with the tails and swim heads up to compensate for that.
 
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I have a completely different take on this - that tail down sculling motion is pretty common in tank raised clownfish that have a developmental issue with their swim bladder. The fish are slightly negatively bouyant, so they scull with the tails and swim heads up to compensate for that.
Is that referring to the black Darwin? Cause the orange one swims normal and the black one does like to swim tail down.
 

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Is that referring to the black Darwin? Cause the orange one swims normal and the black one does like to swim tail down.
Correct, the way the Darwin is swimming is how clowns with under inflated swim bladders behave. They can stop doing this for short periods of stronger swimming, and when they stop swimming, they tend to sink.
 
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soarer209

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Correct, the way the Darwin is swimming is how clowns with under inflated swim bladders behave. They can stop doing this for short periods of stronger swimming, and when they stop swimming, they tend to sink.
Is there anything I should do to help it swim better or is that just how they are now ?
 

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Is there anything I should do to help it swim better or is that just how they are now ?

No - if this is the issue, only supportive care will help - be sure that it is fed well and that other fish don't pick on it.

Jay
 

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