Image Whale Sharks - Whale Shark Pictures - Whale Shark Facts - National Geographic As the largest fish in the sea, reaching lengths of 40 feet (12 meters) or more, whale sharks have an enormous menu from which to choose. Fortunately for most sea-dwellers—and us!—their favorite meal is plankton. read more
A Blue whale is about 3 times the size of a Killer and eats mostly plankton filtered through long threadlike teeth. A Killer Whale is more of a predator, more agile in the water, and has it’s name for a reason. It kills things. Lots of things. Even sharks won’t mess with a Killer Whale (they seldom mess with any whale, but you get the point). read more
Dolphins tend to wean their young sooner than whales do and will even chase off weaned calves. Dolphin vs. Whale Feeding. Frigid, arctic waters support some of the largest whale species, such as the humpback and the blue whale. Baleen whales feed only in arctic waters, eating mostly krill, plankton, and other small marine animals. read more