Change in skin pigment

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Hi, I have two clownfish in my newly cycled tank and have had them for about a month. Both seem fine and happy and am sure they’re paired. One is bigger and they usually stay together. The larger one nudges the littler one and then he does like this little electric shock sorta dance! Can’t think of any other way to describe it. Every now and then the big one will do it back.

So my first question is, does this sound like they’re paired and happy?

My next question is that the larger one has developed a small black patch on the orange part of her body just below the dorsal fin. I’ve only noticed it the last few days.

I have introduced a small zoanthid coral last week and a duncan’s Coral this week. Could the black spot be something related to the introduction of the corals or is it something else (serious)? Both clowns appear happy and eating and there has been no change in behaviour.

Picture shows this black patch just below the dorsal fin

Any help would be greatly appreciated.

Thanks in anvance!

chilliman

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Reply #1

it’s the Zoas that courses the black marks . you will find both of the clowns will get it. I had the same problem with my clowns for some reason they like rubbing against the Zoas . but you find as the clowns are rubbing the Zoas are stinging them but due the clowns nature it’s not harming them at all. it looks a mess but in time the marks will fade away


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Gofro

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Reply #2

Ah, that’s a relief. I had read a few post that were departing coral stings v’s melanization due to too much light or something. But I’ve had the same lights from day one on the same setting and only seen the chance since introducing corals.

So it’s not a parasite or fungus or anything like that??

chilliman

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Reply #3

 I wouldn't have thought so . when i seen mine started to get the odd one or two i thought it was it was some sort of parasite  i asked around and was told it was the zoas they hosted it for a while and a few more marks came along ,they look like 101 dalmatians clownfish  lol but after time they faded away

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Gofro

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Reply #4

Ok, thanks for the advice!

I’ll keep an eye out but hopefully all will be ok.

Thanks again

Asco1104

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Reply #5

They do go naturally darker/black as they get older too.
The larger one will be the female and sounds like natural behaviour.


Tim

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rusty_uk

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