How Canadian and Californian rainbow trout respond to higher temps

ScienceDaily | 10/26/2018 | Staff
The increasing temperatures and resulting lower underwater oxygen levels linked to climate change will likely affect the habitats of cold-water fish such as rainbow trout. The resilience of this species to changes in its environment will ultimately help it survive the significant warming of its home tributaries.

Researchers from the University of British Columbia studied three strains of rainbow trout, one that originated in California and two native to Canada. They found that young fish (called "fry") from California were able to tolerate higher water temperatures and low-oxygen environments better than fry from Canada. There was no noticeable difference in tolerance levels as a whole among adult fish of the same strains. However, individual adult fish from all strains had varying heat and oxygen...
(Excerpt) Read more at: ScienceDaily
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