アハ体験 （熱帯魚編)(Aha Taiken (Nettaigyo hen), lit. Aha Experience (Tropical Fish edition)) is a screamer published on Youtube and on Nico Nico Douga(2012). It starts with a picture of 7 tropical fishes swimming accompanied with a relaxing music. At 22 seconds, the picture starts to shine and when it reaches 27 seconds, a disturbing picture of a distorted japanese woman appears along with an extremely loud scream.