Where they live
- View a map of where they live
- Recent evidence has separated this species from Ascaphus truei and a separate GAP map has not been made
- In Washington State are found in the Blue mountains of eastern Washington
- Rocky forest streams, prefer fast moving clear water, rarely found away from water and only on really wet nights
- Breeding season is in the Fall and eggs are laid in the Spring/Summer
- Eggs are laid in strings underneath big rocks
- Tadpoles have a large sucker mouth to cling to rocks in fast water streams
- Can take 4-5 years for tadpoles to complete metamorphosis
Cool Biology Facts
- One of the longest living species of frogs, they can live up to 15-20 years!
- One of the only frogs in the world that have internal fertilization
- Males do not vocalize, possibly because the females cannot hear calls over fast moving water in streams
- They have reduced lungs (breathe mostly through skin) which helps to limit buoyancy in water.
- Fingertips are hardened like claws to help move around in the rocks on the fast moving water.
- Main threats include habitat destruction due to logging and roads. View their status on the IUCN Red List of Threatened Species.
Amphibians & Reptiles of Washington
Do you know where rattlesnakes live in our state? Or which salamander breathes through its skin? Explore the fascinating diversity of the 26 species of amphibians and 28 reptiles found in Washington state.