Are you fish looking like they are starving even though they are being fed on a regular basis? Does it seem like the fish never get any bigger? If so the food that you are feeding them might not have enough nutrients in it. It might also not be colorful enough for them see. You might try changing your fish food to a better quality and see if that makes the difference. Especially if you have Koi fish.
Are you a fan of the movie Spirited Away? This is a story of a 10-year-old girl and her parents. While traveling to their new home, his father made a wrong turn. They unknowingly entered into a magical world. Both of Chihiro's parents were turned into giant pigs. Chihiro met a mysterious person named Haku. He explained that the world her parents were into is a resort for supernatural beings and she must work there to free herself and her parents.