can coral kill fish
Corals to Be Careful With. While these coral aren't much of a threat to your fish, they can be devastating to other corals. The most famous coral vulnerable to these toxins is probably the various Acropora species, including the staghorn Acropora.owever, even if the toxins themselves are not dangerous, you should take care when combining fish and toadstool corals. If your toadstool corals successfully kill other corals, the dead coral could rot. Rotting organic matter, particularly proteins, release ammonia.