(Tiffany Boothe/Seaside Aquarium via AP)This photo provided by Seaside Aquarium shows skin breathing sea cucumbers sitting on a beach in Seaside, Oregon on Tuesday, Oct. 21, 2025. (Tiffany Boothe/Seaside Aquarium via AP)This photo provided by Seaside Aquarium shows skin breathing sea cucumbers sitting on a beach in Seaside, Oregon on Tuesday, Oct. 21, 2025. (Tiffany Boothe/Seaside Aquarium via AP)This photo provided by Seaside Aquarium shows skin breathing sea cucumbers sitting on a beach in Seaside, Oregon on Tuesday, Oct. 21, 2025. The partially translucent, pink gelatinous creatures are called skin breathing sea cucumbers. The sea cucumbers aren't capable of returning to their natural habitat on their own so they will dry up and die, Boothe said.