i put a damsel in my tank as one of my first fish along with 3 chromis. my damsel grew to be about 3 or 4 inches in size and started taking over the tank. very territorial and killed my lawnmower blenny and all the chromis i put in. i had to call somone to get him out becuase i didn't know what...
I got a frogspawn a few weeks ago, and one day it fell of the rocks onto another rock facedown. a couple days after all the heads died off except for one. Is this common for them to die off like that because of damage?