Can anyone help identify?

[Johnmcg75]

I have a 50 gallon tank with about 50 pounds of live rock in it and I am trying slowly to build a reef tank.I am pretty new to salt water tanks and was wondering if i could get some help identifing a few things to tell if they are a nuisance or not.

 

[Lynch_6913]

Not exactly sure but I believe the second pick is a pest anenomie(spl?) But I couldn't figure the other 2 out

 

[Johnmcg75]

Yeah im having troubble finding anything about the other two.thank you for the anenome id though.

 

[paperdog9]

Try posting in the saltwater section, there are porbably more saltwater experts there.

 

[achase]

I agree I would head over to the saltwater section. I have very very little knowledge of saltwater species which is why I haunt the freshwater section.