I have over 100 tanks of African Cichlids that I raise and breed and
have had this same problem before. The first question is if you are
monitoring your water quality since it is a new setup. I have had my
fish essentially show me by changed behavior that something was wrong
with the water way before they started to die. If you are going to keep
these fish seriously get a water testing kit. Even if you only have one
tank. It is written many places that to keep the aggressive level down
you should keep them stocked with more fish than would with community
fish. The more common problem that I have had is the lack of
backgrounds. In general Lake Malawi cichlids, especially the mbuna(rock
dwellers) need a cavelike surrounding. All three sides are preferable
with something on the darker coloration side. On my show tanks I have a
rock background, on my other tanks I have black plastic just like
garbage bags are made of. Some species are "shy" unless you put
something they are semi-aggressive towards or at least it has seemed
that way to me when I have tried to keep some species by themselves.
Almost all of my fish are very used to ME. Many will be scared by
STRANGERS if you are the only one they ever see. I have many that I have
trained to eat out of my hand though. Good luck and feel free to e-mail
me at
Mala...@webtv.net