Related Information for Fish 1. Derek William Dick, better known as Fish (born 25 April 1958 in Dalkeith, Midlothian) is a Scottish progressive rock singer, writer and actor. After an early career as a gardener and forestry worker, he came to public attention in 1981 with the British group Marillion, which he left in 1988.Album sleeve artwork for his four Marillion albums and most of his solo albums has been done by Mark Wilkinson.Fish is not to be confused with Phish, Chris Squire (“The Fish”), Bar.. read more