Northern California Summer Steelhead

Oncorhynchus mykiss irideus

LEVEL OF CONCERN: CRITICAL
Northern California (NC) summer steelhead are in long-term decline and this trend will continue without substantial human intervention on a broad scale. They are vulnerable to extinction by 2050 due to their reliance on cold water during the warmest months and are critically susceptible to climate change.

What's happened and why has the Level of Concern increased?

Characteristics

Abundance

Habitat and Behavior

Genetics

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California Trout, Inc.

California Trout, Inc.