You may need a chiller depending on the room it is in, I know domboski recommends at most 70 degrees.
What are you planning on specifically?pipefish and horses?
but yea my friends tank is around 80 degrees and has local pipefish hermit crabs and snails and me and him cought about a 2" baby pipefish and its also in there. they been there for about 3 weaks living fine