Category Archives: Fish

Guest Species – What about the nonnative species we like?

by Karrigan Bork, JD, PhD Conservationists worry about a host of nonnative species, and with good reason. Nonnative species cause north of $120 billion per year in damages in North America alone, and they present the primary extinction risk for roughly … Continue reading

Posted in Conservation, Fish, Stressors | Tagged , | 4 Comments

Habitat Restoration for Chinook Salmon in Putah Creek: A Success Story

by Eric Chapman, Emily Jacinto, and Peter Moyle 2017 was another good year for Chinook salmon in Putah Creek. Putah Creek is just a small stream flowing through Yolo and Solano counties, fed by releases of water from Lake Berryessa. … Continue reading

Posted in Biology, Fish, Restoration, Salmon | Tagged , , , | Leave a comment

Resurrecting the Delta for Desirable Fishes

by Peter Moyle, Carson Jeffres, John Durand The Delta is described in many ways.  When extolling the Delta as a tourist destination, it is described as a place of bucolic beauty; islands of productive farmland are threaded by meandering channels of … Continue reading

Posted in Delta, Fish, Restoration, Sacramento-San Joaquin Delta, Uncategorized | Tagged , , | 10 Comments

Will Delta Smelt Have a Happy New Year?

by James Hobbs and Peter Moyle The results of 2017 surveys of Delta fishes are coming in. Already, the results are clear:  it was an unhappy year for Delta smelt. The wet year with high outflows should have created an … Continue reading

Posted in Delta, Delta Smelt, Fish, Sacramento-San Joaquin Delta | Tagged , | 3 Comments

New paths to survival for endangered winter run Chinook salmon

by Anna Sturrock and Corey Phillis Many Californians have seen headlines about endangered Sacramento River Winter Run Chinook salmon (“winter run”) on the “brink of extinction.” But not many people know exactly what winter run are, nor why they are … Continue reading

Posted in Biology, Fish, Salmon | Tagged , | 5 Comments

Moving Salmon over Dams with Two-Way Trap and Haul

by Peter Moyle and Robert Lusardi Removing Shasta Dam is the single best action we can take to save California’s wild salmon.  Not possible, you say? Then there are two alternatives. One is to provide plenty of cold water and … Continue reading

Posted in Conservation, Fish, Planning and Management, Salmon, Stressors, Sustainability | Tagged , | 9 Comments

The Spawning Dead: Why Zombie Fish are the Anti-Apocalypse

by Mollie Ogaz   Imagine you are on the bank of a river or stream in California’s Central Valley. It is just past sunset, leaves rustle overhead, and you feel a tingling along your spine. Suddenly a zombie fish leaps … Continue reading

Posted in Biology, Fish, Halloween, Salmon, Wild and Wacky | Tagged | 1 Comment

Evolutionary genomics informs salmon conservation

by Tasha Thompson, Michael Miller, Daniel Prince and Sean O’Rourke Spring Chinook and summer steelhead (premature migrators) have been extirpated or are in decline across most of their range while fall Chinook and winter steelhead populations (mature migrators) remain relatively healthy. … Continue reading

Posted in Biology, Conservation, Fish | Tagged , , , | 1 Comment

The Little Shasta River: A model for sustaining our national heritage

by Ann Willis, Rob Lusardi, Alex Hart, Susan Hart, Blair Hart, Andrew Braugh, Amy Campbell, Ada Fowler Rancher: farms. Conservationist: fish. Researcher: science. Too often, identity is used to divide us. Stereotypes are used to stake out conflicting positions. It’s … Continue reading

Posted in Agriculture, Conservation, Fish, reconciliation, Restoration, Sustainability | Tagged , , | 4 Comments

California WaterFix and Delta Smelt

by Peter Moyle and James Hobbs The delta smelt is on a trajectory towards extinction in the wild.  Heading into 2017, the spawning adult population was at an all-time low although this past wet winter has apparently seen a small … Continue reading

Posted in California Water, Conservation, Delta, Fish, Planning and Management, Restoration, Sacramento-San Joaquin Delta, Sustainability | Tagged , | 17 Comments