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I have started to find some sort or parasite or organisms appear in my tank. My coral seems ok but I fear it’s only a matter of time.

I had a tang that say died, I do change water regularly (20% every 6- 10 days) and the chemistry is fairly stable, sometime the salinity can keep up to 28 as I top up manually with RO.

All looked ok but yesterday I noticed these small white dots on the rock and a tiny little starfish type thing on the side of the tank.

I have no idea what these are but suspect they are responsible for the death of the tang and must be indicative of some ting seriously off in my tank ecosystem /parameters I have missed.

Anyone recognise these?






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fr499y

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Reply #1

the small dots are snails, look like baby Astrea Snail or Turbos, but could be sundials. Do you have any Astrea or Turbos in your tank?

The stars are asterina star fish are are more annoying than anything. Some do appear to eat zoas

rik derris

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Reply #2

Ah ok I do have turbo snails - that seems quite nice rather than the  armageddon I feared.

Are the star fish any indication of anything else that can be wrong? I still have fish dying (found a dead clown fish after posting this)

Perhaps I’m reading my tests wrong - I’ll do another to check ammonia again.

I only have 100L tank so was (probably wrongly) the bling that even if I was potentially over feeding that the 25L water change weekly would keep most parameters in check at least.


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fr499y

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Reply #3

population explosions can be a sign of over feeding. pick them out when you see them put them in a jar of tank water. Its food for people with harlequin shrimp

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