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NWFSC Wins AAFCO Approval of Taurine in Fish Feeds

All over the world, the demand for delicious, safe, and healthy fish is increasing, to the point that fish farming, or aquaculture, is now the fastest-growing food-producing sector in the world. Consequently, the demand for feed ingredients, especially fish meal and fish oil, has increased dramatically in recent years. If growth in this industry is to be sustained, we need to find viable replacements for fish meal and fish oil in aquaculture feeds.
March 01, 2017 - Feature Story ,
West Coast
Fish feed for aquaculture can include plant-based sources well as products derived from fishery waste. Credit: NOAA Fisheries

Restoring Predators and Prey Together Speeds Recovery

Restoring predator and prey species together helps accelerate ecosystem recovery efforts compared to pursuing restoration of one species at a time, new research concludes.
March 01, 2017 - Feature Story ,
West Coast
Killer whale pursuing a fish that is leaping out of the water

Innovation In Swordfish Fishery Fetches A Higher Market Price

A new method of fishing for Pacific swordfish off the West Coast is proving its value to both fishermen and protected species.
February 06, 2017 - Feature Story ,
West Coast
Swordfish swimming near the surface pulling a fishing line

Ocean Acidification to Hit West Coast Dungeness Crab Fishery, a New Assessment Shows

The acidification of the ocean expected as seawater absorbs increasing amounts of carbon dioxide from the atmosphere will reverberate through the West Coast’s marine food web, but not necessarily in the ways you might expect, new research shows.
January 12, 2017 - Feature Story ,
West Coast
The study modeled the potential risks of ocean acidification (under a future decrease in pH) on the West Coast marine food web and fisheries over 50 years, from 2013 to 2063. Most fisheries we explored were negatively affected by a future decrease in pH. State-managed fisheries were the most affected, particularly because of the strong decline in valuable Dungeness crab. Coastal pelagic fish like sardines were only slightly affected. Credit: NOAA Fisheries

Harbor Porpoises Repopulating Puget Sound, New Research Finds

After nearly disappearing from Puget Sound in the 1970s, a new survey has found harbor porpoises have rebounded strongly and are now present in all parts of the Sound throughout the year.
December 22, 2016 - Feature Story ,
West Coast
Surfing harbor porpoise A surfing harbor porpoise. Photo: Cindy R. Elliser, Pacific Mammal Research

Early Action Key to Reducing Sea Lion Impacts on Salmon, New Study Finds

A new study used the same kind of models that scientists use to track disease to instead examine how some California sea lions have learned to prey on salmon gathering to ascend fish ladders at Bonneville Dam.
December 21, 2016 - Feature Story ,
West Coast
sea_lion_salmon.jpg

Automatic Whale Detector, Version 2.0

Last year scientists combined infrared cameras with image recognition software to automatically detect and count migrating gray whales. This year, they upgraded.
December 13, 2016 - Feature Story ,
West Coast
automatic_whale_detector_version2.0.jpg

Dam Overhaul Improves Fish Passage, Opens Window on Migration

Some dams are monumental engineering feats made of steel-reinforced concrete towering hundreds of feet above a streambed.
December 05, 2016 - Feature Story ,
West Coast
Fish ladder seen from the opposite shore The Russian River cascades over the inflatable Mirabel Dam in Northern California. The new fish ladder rises diagonally above the river in the background. Photo courtesy Sonoma County Water Agency

Scientists Improve Predictions of How Temperature Affects the Survival of Fish Embryos

A combination of laboratory and field data leads to a broad understanding of temperature impacts to developing Chinook salmon eggs.
December 05, 2016 - News ,
West Coast

New Forecast Tool Helps Ships Avoid Blue Whale Hotspots

Scientists have long used satellite tags to track blue whales along the West Coast, learning how the largest animals on the planet find enough small krill to feed on to support their enormous size.
November 29, 2016 - News ,
West Coast
720x411-News-Whale-SWFSC.png A blue whale surfaces near shipping traffic off Southern California. Credit: John Calambokidis, Cascadia Research Collective.