Category Archives: Uncategorized

The rapid invasion of Mississippi silverside in California

by Peter B. Moyle The Mississippi silverside (Menidia audens[1]) is one of the most abundant fishes in the San Francisco Estuary and in the fresh waters of California in general. As the name indicates, it is not native to the … Continue reading

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Explaining water units to real people (who like basketball)

by Jay Lund It’s March madness once again as we try to explain water conditions in California to real people in the midst of additional basketball madness. We all enjoy and suffer with basketball.  This commonality can make it a … Continue reading

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Hiding in plain sight: newly described freshwater fishes from the Los Angeles area and elsewhere in California

By Peter B. Moyle, Nicholas Buckmaster, and Yingxin Su Lulu Miller in her wonderful 2020 book, Why Fish Don’t Exist, describes how fish exist to us humans only if they have been assigned proper names. The Santa Ana Speckled Dace … Continue reading

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Will more wildfire and precipitation extremes mussel-out California’s freshwater streams?

By Andrew J. Lawrence and Andrew L. Rypel Apocalyptic scenes of wildfires and floods are now familiar to Californians. However, the ecological impacts from these events remain understudied in California and across the world. Gaps in awareness and understanding on … Continue reading

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A Guide for New California Water Wonks

by Jay Lund Water is a universal foundation for every problem and opportunity in California.  Most people use it every day, yet even experts with decades of experience don’t know it all.   (Alas, too many advocates and pundits almost don’t … Continue reading

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Green Sturgeon in California: Hidden Lives Revealed From Long-Term Tracking

By Scott F. Colborne, Lawrence W. Sheppard, Daniel R. O’Donnell, Daniel C. Reuman, Jonathan A. Walter, Gabriel P. Singer, John T. Kelly, Michael J. Thomas, and Andrew L. Rypel You gotta respect fishes that have been around since the dinosaurs, … Continue reading

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Resistance is Futile – Agriculture is Key to Fixing Lower Colorado River Water Shortages

by Jay Lund and Josué Medellin-Azuara The lower Colorado River has been out of balance for about 40 years, using more water than has been available.  As their reservoirs empty, the three lower basin states, federal government, and water users … Continue reading

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DNA Unveils New Freshwater Fish Species in California

By Peter B. Moyle & Matthew A. Campbell No doubt you have watched a crime show where DNA analysis reveals the identity of a victim or criminal. Or, you have read accounts of how Neanderthal genes are part of our … Continue reading

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Is the Drought Over? Reflections on California’s Recent Flood-Drought Combo

By Andrew L. Rypel, Jay Lund, and Carson Jeffres Early January was an unusually wild ride of atmospheric rivers. Nine sizable systems produced a train of storms beginning about New Years and lasting for several weeks across almost all of … Continue reading

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Nature’s gift to nature in early winter storms

By Jeffrey Mount, Peter B. Moyle, Andrew L. Rypel, and Carson Jeffres The current wet spell, made up of a parade of atmospheric rivers, is a welcome change from the last three years of record dry and warm conditions. For … Continue reading

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