Original: Thirty species of whales, dolphins, and porpoises have been recorded in the Great Barrier Reef, including the dwarf minke whale, Indo-Pacific humpback dolphin, and the humpback whale.
Simplified: Thirty species of whales, dolphins, and porpoises have been seen in the Great Barrier Reef. This includes the dwarf minke whale, Indo-Pacific humpback dolphin, and the humpback whale.