Ok so i tried to take another its actually very difficult to get it i can explain it though....Its red oval last night i touched it it was soft it has 2 holes one on top and one on the bottom
They are harmless. They may spread but onto the skeleton area. And limited to dark areas. The tentacles of the torch help shield the light. If it gets too much light it will die. Many sponges also will die it exposed to air.