Related topics: salmon

Cleaner fish from salmon farming affect wild populations

A growing demand for cleaner fish in salmon farms raises concerns about overfishing and human-mediated geneflow to wild populations. A recent study reveals that up to 20 percent of the local populations of corkwing wrasse ...

Captive-bred salmon in wild may do more harm than good

Releasing captive-bred Atlantic salmon into the ocean, a long-standing practice to boost stocks for commercial fishing, reduces the rate at which wild populations reproduce and may ultimately do more harm than good, researchers ...

eDNA technology more effective in monitoring salmon runs

The annual upriver migration of Pacific wild salmon—integral to B.C.'s coastal ecosystem—is an important sustenance source for numerous animal species and a vital economic and cultural lifeline for Indigenous and other ...

Bigger doesn't mean better for hatchery-released salmon

Fish permeate the culture of the Pacific Northwest (PNW). In particular, the iconic salmon has been an important part of the region for thousands of years, from ancient Native American trade routes and legends to modern fishing ...

Not so sexy salmon

New research reveals that farmed salmon have smaller 'jaw hooks' or 'kype'- a secondary sexual trait, likened to the antlers of a stag, making them less attractive to females than their wild salmon cousins.

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