, the seahorse tank is the most difficult marine tank to keep. They require the best quality water conditions possible. But as RR stated the CB ponies are a much hardier than WC
and are all ready trained to eat frozen Mysis. www.seahorse.org
is your best BB for these and has great research info. If you have any specific questions shoot. I have been keeping SH and Pipefish for quite sometime now and have helped many beginner SH keepers.
here is my SH ranch setup,If you would like to take a look 40 gal SH ranch