coral pest

Hello this is my cabbage Coral it has been pretty happy for a long time but just today I’m noticing this gaping hole in the coral and the only thing I think that’s temporarily change In the aquarium is the flow, and that is because I have a acclimation box with a fish that needed to separated so...

I just received my WWC live sale corals - during the dip this little guy came off. I emailed them to ask also - but thought you all would know as well. 2nd opinions always good Is this a baby brittle starfish or a coral pest? if it’s a brittle I’m totally keeping it.

Hi All! Fairly new to reef aquariums (about a year in) and probably have made a lot of mistakes along the way. For the most part I can identify any odd growths or pests through the forums but I can’t find this one anywhere. It’s growing on my GSP and Dragonsole (sp?). Looks like white sticks or...

Hey all… hoping I post to the right forum, still new to the hobby/R2R (about 6 months). Have had this monti for about a month now. just added some fish into my display tank about 2 weeks ago after quarantine. Today I did a water change… and noticed this for the first time. what the heck is this...

Anyone know what this hitchhiker is? It came in on a frag from a recent live sale. It looks like a small aquatic version of a roly poly. It has a bunch of legs (10 at least?) and two very small distinguishable eyes.