Some general questions...

[ReefTECK]

Do seahorses have to be in pairs to do well? Seems like this is suggested but not said outright.

I can culture needed zooplankton for H.zosterae (dwarf seahorses) but (depending on the first question) are there any other species that a single individual would do well in an 8 gallon tank?

Thanks for answering my lame questions! lol

 

[namxas]

an 8 gal is too small for anything but zots.

but to answer your question, SH don't require mates or any other SH, altho if they have company, they do interact.

 

[Octoshark]

Most seahorses will require about 25-30 gallons for a pair, so 8 gallons would only be good for the dwarfs. My LFS once recommended a 7 gallon tank for a pair of H. reidi and I have never asked him another question since then.

Check out each species at seahorsesource.com for a list of tank size requirements. They are a very reputable source.