one of the first things to know is that they are the best escape artists you can find in marine creatures. also they're relatively short lived [mine laid her eggs a couple days ago] and pretty much have to be kept alone. check out tonmo.com for loads of ceph information.
what do the water parameters have to be. and i gonna have to start him in a 10g but once i get a bigger tank for my freshwater im gonna put him in my 75g.
