I have extremely small white worms floating around my tank and on my Oscars, what are they and how can treat them?
Those are planaria worms and are harmless. They are very common in aquariums with Oscars or other big Cichlids and carnivores because most aquarium owners who keep these fish over-feed their tanks or do not clean them enough. These worms are feeding on uneaten fish food or pieces of feeder fish leftover from the sloppy feeding habits of bigger fish. Do a good water change, vacuum the gravel and try to cut back on feeding and they will go away on their own. Top • I have a problem with a type of sponge. It is a a small sponge that is about a 1/4 of an inch long and about 1/8″ in diameter. Is there anything I can do to get rid of these things? These small sponges often invade well-established reef tanks, and tend to accumulate in the prefilter, sump or wet-dry filter. They don’t like light, so usually do not grow in the aquarium. If you have them in the tank, a Centropyge Angelfish will eat them, such as a Lemonpeel, Pygmy or Flame Angel. If they are growing out of control in the filters,
