Of course.
My reef tank is a 55g situated in the living room behind a couch so I set it up to be view-able from 3 sides. I have setup the live rock so there is room on both sides for the fish to swim through, with 3 power heads pushing a current around the perimeter of the tank (you can see them on the right in the couch pic). I put fake plants in the far corner away from the normal fish, which is also the weakest part of the current. Filtration wise I have about 50-60lbs of live rock as well as the sand bed. There is a trickle filter in the sump and a Reef Octopus protein skimmer. My water parameters were salinity 1.021, ph 8.2, nitrates 15ppm yesterday.
There is a pair of clowns, a picasso trigger, royal gramma, cleaner shrimp (peppermint?), and fu manchu lion, apart from the seahorse. From what you can see in the end pic they all hang around that end to get fed and I have not seen any of them bother the seahorse at all.
After I put the seahorse in yesterday near her plants, she promptly decided to go up and over the rock into the current and take a lazy trip round the tank. Several confused fish encounters later she was back at her plants and spent the next hour exploring the tank. She has no problem with the current except right in front of the power heads. For the most part she sticks to her plants now, or the large leather coral on the top of the rocks. She did take frozen mysis today as well so I'm fairly certain that she is frozen trained.