Science Spotlight

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Recent accomplishments of CDFW's scientific community


Rare coastal San Mateo County plant is in dire straits

2 cdfw scientist and a cdfw warden standing in san mateo bay near a field of yellow leptosiphon flower patch
The world is closing in on coast yellow leptosiphon. The endangered plant exists in only one known location on earth — an 1,800 square foot plot on Vallemar Bluff in Moss Beach, about 20 miles south of San Francisco. The low-growing annual from the Phlox family features bright yellow flowers with fused petals and typically blooms in April and May.

CDFW Herring Surveys

hand holding aquatic plant material covered in tiny clear balls
On a drizzly winter day in San Francisco Bay, you might find CDFW Environmental Scientist Ryan Bartling surveying the shoreline on the research vessel Smoothhound in search of Pacific Herring (Clupea pallasii) eggs.

Pacific Herring Report

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The Pacific herring – much like squid and anchovy – is an important forage fish that supports a commercial fishery and provides a prey source for all manner of fish and wildlife, including whales, seals, sea lions, sturgeon, salmon, pelicans and numerous other species of birds and invertebrates.