Hello there...our resident seahorse expert, JennM is around, but busy starting up a little fish store

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Do a search of our old threads, you should find some info there.
It is best to aquire captive-bred seahorses that are eating frozen foods like
mysis shrimp.
Seahorses do best in a species tank dedicated to their special feeding needs. They will not do as well in a reef where there is competition for food and/or tankmates who might harass them.
Seahorses do best in groups and in taller tanks of at least 20" high.
Also check out
www.seahorse.org for more information.
HTH-
Brooke