UBC Study: 40% Mortality in Released Salmon Linked to Hook Size

Karmactive Staff

Six-year UBC study tracks 1,500 wild salmon to reveal harsh realities of catch-and-release fishing on population decline.

Photo Source: W.carter (CC0)

Research exposes how fin damage, scale loss, and eye injuries slash salmon survival rates by 20% within 10 days

Photo Source: Andshel (CC BY-SA 4.0)

Larger hooks proved deadliest - causing 20% more Chinook deaths over 40-day period through severe eye trauma.

Photo Source: Dan Cox, U.S. Fish and Wildlife Service (CC0 1.0)

Smaller salmon face higher mortality risks compared to larger fish, with coho showing weaker resilience than Chinook.

Photo Source: Riccardo Rossi (CC0 1.0)

Warmer ocean temperatures above 18°C accelerate post-release death rates amid climate concerns.

Photo Source: Hartley, William W. (CC0 1.0)

British Columbia Salmon Fund backs crucial research linking Sports Fishing Institute and Pacific Salmon Foundation.

Photo Source: Hans-Petter Fjeld (CC0 1.0)

Dr. Scott Hinch's team combines field tracking with lab analysis of 500 specimens in Salish Sea waters.

Photo Source: JoJan (CC0 1.0)

Data reveals catch-and-release injuries significantly impact Chinook and coho survival in Salish Sea ecosystem.

Photo Source: U.S. Geological Survey (CC0 1.0)

Research advocates smaller hooks, minimal net usage, and in-water handling to boost salmon survival chances.

Photo Source: NickLongrich (CC BY-SA 4.0)

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