Cetaceans (from greek ketos: “marine monster”) The International Whaling Commission (IWC) is Blue whale Bottlenose dolphin Bowhead whale Bryde’s whale Common dolphin Dusky dolphin False killer whale Fin whale Gray whale Humpback dolphin Humpback whale Irrawaddy dolphin Killer whale Minke whale Pilot whale Right whale Sei whale Sperm whale Spinner dolphin Spotted dolphin Striped dolphin