General Reef Discussion
Hello! I have an aquarium with 2 mandarin dragonets, 1 firefish goby, 1 pajamas cardinal, 3 green chromis, 2 clownfish, 1 snowflake eel, 1 pink tip anemone, and hermit crabs. This morning, after being away for the weekend, I found an unknown blob floating on the surface of the water. Do you know...