European sea sturgeon, Acipenser sturio (critically endangered), and sterlet, Acipenser ruthenus (vulnerable). Handcoloured lithograph from Carl Hoffmann's Book of the World, Stuttgart, 1857.

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Size: 4238px × 5348px
Photo credit: © Florilegius / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acipenser, book, carl, caviar, critically, educational, endangered, european, fish, handcoloured, hoffmann, ichthyology, illustration, lithograph, picture, ruthenus, sea, sterlet, sturgeon, sturio, vulnerable, world