black spots

I've recently noticed tiny black dots on the clownfish. I've had him since the beginning of the tank and they were never there I've just recently added greenstar poylops, but they haven't opened yet. What could be a possible cause ? And is it something I should be concerned about?

I have a one spot foxface. Had the fish for maybe 3 weeks. I managed to introduce ich to my DT so I am preparing to begin tank transfer method on all four fish then leave DT fallow. However I noticed the black dots on the foxface that I knew had a few white ich spots yesterday but now still...

Hi all, I have notice that one of my clownfish has black spots. It looks like they are part of its skin and behavior is normal. Wondering if this is just pigment discoloration or something else. Picture below. Thanks!

Should I be concerned about black spots appearing on the bottom of the rock that's touching the sand and reeking of hydrogen sulfide?

So i just noticed my clown fish has some black spots scaterd over his body, is this bad?! Do i need to get medication is it a dieseae or somthing? :help:

Really big emergency!!! I own a toadstool coral and can't figure out why it is really bent over with black on it's trunk. All of the forums I have read say that if it were dead then the polyps won't extend. However mine still are extending... Please I need some serious advice picture are to...

I have a Yellow Tang and it has some weird body coloration. It has these large black spots on it's body (transparent black looks under skin). It does not look like raised tiny little black dots (black ich). During the day (lights on) the tang's black spots look faded, but at night (lights out)...

I noticed that my clown has 4 small black spots on him idk what it is. does anyone know what it could be?

Hi folks! Long term lurker here, first time poster. I recently set up a small 30 gallon reef tank with a 3" fine-particle sand bed. I cycled 50 pounds of live rock in it, then added 3 small fish and some reef janitors. For sand sifters I tossed in 15 nassarius snails. The live rock I placed...