Sea hares usually don't live a full life in the
aquarium. I think it might have to do with
temperature. It could also have something to do with
part of the diet missing.

When I had the store, I got in some African sea
hares. They get big, and eat a tone of algae. I was
going to breed them, but they were not living long
enough to do so. And it had nothing to do with their
size. Small ones of the same species did not live
any longer than the larger ones. The African ones
look like live rock.
http://waynesallee.com/crittersandtools.html

Keep in mind that complicating things is that sea
hares come from all around and have different eating
habits.

Wayne Sallee



gaijin wrote on 11/14/2007 2:30 PM:
Recently I have been battling a hair algae problem.

I put in a sea hare and phosphate remover and within a couple of days
all was good. The sea hare was healthy, but after about a week, he
just seemed to dissappear. About a month later, I put another sea
hare in. He was there for approximately 2 months or more, moving all
over the tank, and then the same thing happened. One day, I didn't
notice thim there and that went onto several days, and it looks like
this one vanished into thin air.

Are these things hardy, do they die with the lack of hair algae to
feed on (He seemed to be feeding off the glass and the rocks).