open mouth

Hello everyone, newbie on reef tanks here, I had fresh water african chiclid tanks, now I'm starting on reef tanks, I got this neon goby like 2 weeks and a half ago, in transportation he already was like this, but after all this time in my tank, he is still like this. Parameters are all good...

I purchased this rock anemone today from petco ONLY bc it wasn’t even out of the bag yet from being shipped. It had better coloring at the store but I wasn’t able to see the mouth. The foot was VERY sticky when it went in the tank, and is still clearly firmly planted. Is the mouth of for being...

I need some help/advice. I have a pair of Ocellaris clowns together, only fish in their tank which they have been in for almost 2 years together, nothing new has been added, no anemone, no change in foods, water parameters are well within the norm. My female is not doing great, her mouth seems...