Oregon Zoo opens new Pacific lamprey exhibit! The educational exhibit, entitled “Meet your ancient neighbor,” features five of the eel-like fish in a large replicated habitat with a rocky bottom and other fish. Pacific lamprey are a 400 million-year-old native species to the Pacific Northwest, older than dinosaurs and even trees, according to a release from the zoo. The grand opening celebration late last month, on World Rivers Day, included the U.S. Fish and Wildlife Service and many Northwest