The ‘cuteness’ returns: Oregon Zoo welcomes back pacific lamprey

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Pacific lamprey returned to the Oregon Zoo this summer, offering guests another chance to see one of the Pacific Northwest’s oldest — if not cutest — species. Predating dinosaurs and even trees, this 400-million-year-old fish plays an important part in the region’s history and culture.

“We’re thrilled to welcome lamprey back,” said Sara Morgan, senior keeper for the zoo’s northwest area. “It’s a great way for people to see this ancient and unique species up close and learn more about their history.”

The Pacific lamprey, an eel-like fish with a jawless mouth and no scales, has survived three ice ages and five mass extinctions, but populations have declined in the past 75 years. They are now considered a species of concern by the U.S. Fish & Wildlife Service as well as the Oregon and Washington state fish and wildlife agencies.

At the zoo, lamprey can often be seen suctioned onto the glass of their habitat windows, showcasing sucker-like mouths and concentric rings of sharp yellow teeth — all part of the fish’s remarkable nontraditional “cuteness,” according to keepers.

“When you say the word ‘cute,’ lamprey are not what most people might picture,” Morgan said. “But once you get to know them, they have a lot of charm.”

The lamprey came to the zoo from the Confederated Tribes of the Umatilla Indian Reservation as part of a tribal-led effort that collects lamprey returning to fresh water below the three lowest dams on the Columbia River and moves them above the dams to areas where they used to live, allowing the industrious fish to rebuild its own habitat.

The zoo’s Pacific lamprey habitat was made possible by the U.S. Fish & Wildlife Service. The lamprey stay at the zoo through the winter, and are transported to tributaries of the upper Columbia and Snake rivers once they’re ready to spawn.

For more zoo animal stories, visit oregonzoo.org