ArtLex
Art Lex: Fauvism
On this site you will find a brief definition for what the Fauvism art movement was, along with several examples of Fauvist paintings.
Khan Academy
Khan Academy: Matisse, Goldfish
From around 1912, goldfish became a recurring subject in the work of Henri Matisse. They appear in no less than nine of his paintings, as well as in his drawings and prints. View examples and read why he chose this particular motif.