This spring, fertilized Arctic grayling eggs will be placed in streamside incubators like the ones shown above. River water will be piped into the contraptions, allowing the fish to swim out into ...

As waves of floating logs altered rivers, removing habitat and changing water temperatures, nonnative species outcompeted the Arctic grayling while an unregulated fishing industry made survival ...

BREEDING: In Montana, grayling spawn from late April to mid-May. Without digging out a nest, the fish deposit sticky eggs over sand and gravel. The eggs then develop and hatch within a few weeks. LIFE ...