Fish intelligence in paradise fish ("Macropodus opercularis") which avoid places where they have experienced a single attack by a predator and continue to avoid for many months. A number of studies have shown that fish can retain information for months or years. Anecdotally, channel catfish ("Ictalurus punctatus") can remember the human voice call announcing food five years after last hearing that call. Goldfish remember the colour of a tube dispensing food one year after the last tube presentation. Sockeye salmon still react to a light signal that precedes food arrival up to eight months since the last reinforcement. Some common rudd and
How Much Is the Fish? the 1986 mini-album "Quirk Out". The background music sample comes from the album version of the song Paradoxx from the German band 666. In May 2016, in response to increased popularity from a mention on "The Tonight Show Starring Jimmy Fallon", Scooter answered the question about "How much is the fish?" on their Facebook page, revealing that "the fish" was actually the one they bought for their studio aquarium, and it cost 3.80 (probably DEM). How Much Is the Fish? "How Much Is The Fish?" is a hard-dance song by German group Scooter. It was released in June 1998 as