Dragonscales
Fishaholic
Just thought I'd add that there are seahorses other than dwarfs which can be kept in nanos, most of the time they won't breed though.
Also, if you are going to go with hermits, make sure they are very small species, especially with smaller seahorses.
Also, if you are going to go with hermits, make sure they are very small species, especially with smaller seahorses.