hi jc254,
if you put your location in the user control panel at the top of the page someone local may be able to help
try here for some info
viewtopic.php?f=5&t=45424&hilit=seahorse+care+sheet
the freshwater tank it was in was the african tank with high ph, maybe this helped it survive
a whole lot of young ones were put in there for live food, a few lived
posibly Variable Triplefin, Forsterygion varium
i have had tem live in my tropical marine for at least a year
and in a tropical freshwater for 6 months