gasping

Hello, So three days ago, I noticed my clownfish acting oddly. Upon closer inspection, it looked like there was a speckle of sand on him. Currently, he’s been laying on the sand bed and gasping for air. I dosed the tank with Coppersafe thinking it was probably brook, but I don’t see slime on...

Came home from work and the female has been just chillin here. Is this considered gasping for air?? She did have white stringy poop the other day. The male clown and blenny are acting completely normal. Trying not to panic lol please help and tell me what to do. @Jay Hemdal

My husband and I have had our tank for almost a year now. All of our fish and tank mates we've had for about 9 months. 40G Breeder Long with Live Rock 3 powerheads (2 small, 1 big) Ammonia- 0ppm Nitrite- 0ppm Nitrate- 26.9ppm (we know its high, it's due for a water change tomorrow) Salinity-...

My firefish goby is hardly moving, also is gasping for air. Not eating either. I tested salinity and its at 1.025. Any suggestions on saving the fish are appreciated..

I have a 32g Biocube tank with 2 clowns, 2 fire fish and 1 mandarin goby. I have some softies and LPS. For invertebrates, have BTA, cleaner shrimp, crabs, snails. Today, all of a sudden, all but mandarin are flashing. One clown has been periodically hanging near surface of water with rapid...

Hey everyone, I got a Bristletooth Tomini from a sale at my LFS 3 days ago and he's looking very bad today. He didn't look great when I got him, a bit beat up looking (thought he'd been stung by some coral), but he was grazing and seemed active and alert. He hasn't eaten much since I got him...