M. Wutzer: Der Vivisektor im Angesicht der Kreatur [The vivisector face to face with the creature] (unknown year)
Also see the paintings of a dog in the snow by Franz Marc and a German shepherd by Otto Dix in the Städel museum in Frankfurt (Germany).
Franz Marc: Tierschicksale [The fate of the animals] (1913)
Paolo Trubeckoj: Bambina con orso [Little girl with bear] (1906, I think)
Kobayashi Kiyochika: [A whale and three fish sitting down to a formal dinner of Russian sailors] (1904-1905)
Japanese propaganda cartoon from the Russo-Japanese war. Kobayashi Kiyochika (1847-1915) was a woodblock painter and caricaturist.
Gabriel Cornelius von Max: Saure Erfahrung [Sour experience] (after 1900)
Paolo Trubeckoj: I divoratori di cadaveri [The devourers of corpses] (~1900)
Paolo Trubeckoj was als known as Prince Petr Petrovich Troubetzkoy.
The sculpture shows a man eating a piece of meat and a young dead pig on the table. This part of the sculpture has the inscription "contro natura" (against nature). Next to the table there is a hyena feeding on a human cadaver. There is an inscription that says "secondo natura" (in accordance with nature).
Paolo Trubeckoj was a convinced ethical vegetarian (since 1899). Tolstoy admired him.
Here you can see that they're actually two sculptures.
Gabriel Cornelius von Max (1840-1915): Der Vivisektor [The vivisector] (1883)
Also see some animals in paintings by Antoine Wiertz in the Antoine Wiertz museum in Brussels (Belgium).
John Singleton Copley: Watson and the shark (1778)
Watson refers to Brook Watson, the naked man being attacked by a shark, somewhere near Cuba. John Singleton Copley (1738-1815)
David Teniers (1610-1690): The temptation of Saint Anthony
(Die Versuchung des heiligen Antonius / La tentación de San Antonio) The exact year is probably unknown.
Albrecht Dürer: Hieronymus im Gehäus [Hieronymus in his workshop] (1514)
Also see the book "The world turned upside down ... or ... The folly of man" from around 1780.