You could always look into getting 2 Hippocampus Fuscus seahorses.Also called the seapony,they are smaller and get to about 4 inches(uncurled tail lenth)Yet are large enough to accept frozen foods.
I may get 2 for my tank but they are more expensive.My LFS(about 2 hours away...lol) that specializes in CB horses charges $89.00 for fuscus each vs. $49.00 each for H. Erectus seahorses.
Edit:reading the rest of the post I see you got some horses already for the 14gallon.Deff. in the future think of getting a larger tank for them.In the long run it will get way to cramped and the oxygen level too low.
I agree with TeresaQ about questioning your LFS.Keeping any fish in an 8 gallon tank let alone many seahorses makes my hair stand up.