Cold-blooded aquatic vertebrates with fins for swimming, gills for breathing, and usually scales.
Upper Mississippi River fish and macroinvertebrate data [ More info] Interactive databases providing detailed information on fish and macroinvertebrate abundance and diversity over time in pools of the upper Mississippi River basin.
Western Fisheries Research Center (WFRC) [ More info] Brief description of the Western Fisheries Research Center in Seattle devoted to research on fish populations and aquatic ecosystems of the West. Links to research programs, laboratory locations, publications, and map services.
Western Fisheries Research Center--Forage fish studies in Puget Sound [ More info] Human perturbations such as shoreline armoring or urban development can affect the nearshore habitats critical to these populations of small fish which support birds and larger fish.
White Sturgeon Passage at The Dalles Dam [ More info] Upstream and downstream passage of white sturgeon at dams on the Columbia River.
Alphabetical Index of Topics
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