Good evening I have currently been looking around for some assistance with a fish I have, I am trying to ID it however not many people seem to know what kind of fish this is. It was originally found at Balmoral Beach, Sydney in a rock pool however I have had great trouble trying to determine...

At my local rock pools where I frequent for relaxation after work, there used to be alot of zoo, button and mushroom colonies. Within the last 4 months these have dwindled down to one large zoo colony about basketball size and one large button polyp colony of similar size. This is mostly due...