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 Is Your Fish Today? How Is Your Fish Today? How Is Your Fish Today?, also known as Jin Tian De Yu Zen Me Yang?, is a 2007 Chinese film written by Xiaolu Guo and Hui Rao. It was directed by Xiaolu Guo. The film is a drama set in modern China, focusing on the intertwined stories of two main characters; a frustrated writer (Hui Rao) and the subject of his latest work, Lin Hao (Zijiang Yang). "How Is Your Fish Today" won 4 international awards and was well received by critics, but was not commercially successful. "How Is Your Fish Today?" was consistently given