Why is your yellow tang getting orange spots?

Why do sharks mistake humans for seals or other pray? What is the plural of flounder? What do great white sharks thrive in? How long can rock bass stay a live? What do pond water bugs eat? What are helifish? Who invented the great white shark? Can a fiddler crab regrow its legs? How old do seahorses have to be before they can mate? What is the name of the light on an angler fishes head? Do great white sharks sleep in caves? What are the advantages of electric eels? Who are the micro-lenders and why sometimes are called 'loan sharks'? What is the gestation period for a Asian carp? Can you keep female betta with male betta? How long can a swordfish grow? Why fertilize rice paddies? What is the fetch when referring to coasts? What producers serve as the basis of the food chain in this layer of ocean in the Euphoric zone? What types of hermit crabs do you have at Petco ... I heard you have a couple of different species?