Informational (nonfiction), 1,326 words, Level X (Grade 5), Lexile 1050L Multilevel Book also available at other levels of text complexity Whale sharks are the world's largest fish, but don't let the name fool you. These gentle giants are nothing like most other sharks. Students will enjoy reading about how these creatures eat, migrate, reproduce, and more. Maps and fascinating images support the text.Informational (nonfiction), 1,326 words, Level X (Grade 5), Lexile 1050L Multilevel Book also available at other levels of text complexity Whale sharks are the world's largest fish, but don't let the name fool you. These gentle giants are nothing like most other sharks. Students will enjoy reading about how these creatures eat, migrate, reproduce, and more. Maps and fascinating images support the text.