Are Bull Trout Anadromous

Although not thoroughly investigated there is evidence of anadromy in Bull Trout in the southwest of British Columbia Fraser and Squamish drainages as well as the north west of Washington Skagit drainage and the Olympic Peninsula.

Are bull trout anadromous. Resident fluvial adfluvial and anadromous. Bull trout and Dolly Varden are highly predatory fish. Bull trout Salvelinus confluentus are one of only three federally listed fish species that are found in the estuarine and marine waters of Puget Sound and the Pacific Coast of Washington.

Recent studies in Washington State revealed anadromy in bull trout from Olympic Peninsula rivers Brenkman and Corbett 2005 and in streams draining into Puget Sound Goetz et al. Moreover bull trout from. Studies to determine if anadromous fish could be reintroduced into these subbasins.

Although most representatives of the species are of the inland form some populations of bull trout are anadromous and can co-exist with dolly varden char along the coast. Fontinalis and Dolly Varden S. These bull trout begin life in tributaries draining to the ocean and spend only.

The anadromous form is unique to this recovery region and perhaps the least understood of all the life history strategies. 1 day ago Steelhead are anadromous rainbow trout. Our results will help managers identify specific nearshore areas that may require further protection to sustain the unique anadromous life history of bull trout.

Catch of juvenile bull trout in the Skagit juvenile trap. Using acoustic telemetry research in Skagit Bay showed that bull trout used marine waters for 3-4 months. The only core areas currently supporting anadromous populations of bull trout are located within the Puget Sound and Olympic Peninsula regions.

Until 1980 bull trout were considered the inland version of Dolly Varden S. This document modifies the existing basin plans by presenting specific management options for managing summer steelhead spring chinook sockeye salmon bull trout and pacific lamprey in the Deschutes River Basin upstream from the Pelton-Round Butte. Studies conducted by the WFRC have been directed at understanding bull trout habitat use and life history.