paralichthys californicus

Fish in the Bay.  – December 2025, Merry Fishmas 2025!

Merry Fishmas! This is a small update from Longfin Smelt Broodstock trawls that the UC Davis crew has been conducting...

Fish in the Bay – July Aug 2025, Bair Island = Mystery Island.

Bair Island, a restored marshland off the shores of Redwood City and San Carlos, is the latest new area we...

Fish in the Bay – June 2025, Return to Lower South Bay (LSB).

After several visits to San Pablo Bay in the north, we returned to Lower South Bay marshes in early June. ...

Fish in the Bay – May/June 2025, WRMP San Pablo Bay Trawls, Part 4 – Wildcat & San Pablo Marshes.

Part 4 of the San Pablo Bay Trawls.  This is the fourth and final installment of our first round of...

Fish in the Bay – May 2025, WRMP San Pablo Bay Trawls, Part 3 – Gallinas Creek to Hamilton Wetlands.

This is part 3 of the San Pablo Bay series.  We continue our journey around San Pablo Bay. This time...

Fish in the Bay – May 2025, WRMP San Pablo Bay Trawls, Part 2 – Petaluma River.

This is part 2 of a 4-part San Pablo Bay series. The UC Davis Otolith Geochemistry & Fish Ecology Lab...

Fish in the Bay – May 2025, Extra Baby Fish Month

Extra Baby Fish Month!  It happened again.  Every once in a while, we see a bigger goby baby boom in...

Fish in the Bay – May 2025, WRMP Eden Landing Survey #2

The UC Davis OGFL crew performed their second fish assessment of the Eden Landing Ecological Reserve in early May.  They...

Fish in the Bay – April 2025, Part 2. Corbula Attack, Gobies, Bottom Fishes, & Tides!

Part 2 of the April report.   1. Corbula Clams. The main stem of Coyote Creek between UCoy2 and Coy1...

Fish in the Bay – April 2025: WRMP – Eden Landing Trawls.

The UC Davis OGFL lab was contracted by the Wetlands Regional Monitoring Program (WRMP) to perform fish monitoring surveys at...

Fish in the Bay – March 2025, Part2. Bottom fishes & bugs

As often happens, there was no room for discussion about bottom fishes and bugs in Part 1 of the March...

Fish in the Bay – Special Report: Lower South Bay Broodstock Trawls, Jan 2025 – Return to Oz.

Longfin Smelt Broodstock trawls continued over numerous days through January, February, and even into the first weeks of March.  I...

Fish in the Bay – February 2025, Part 2. Bottom Fishes & Bugs in the Valley of the Heart’s Delight.

This is the rest of the February report – Fishes, bugs, plus a few other items that didn’t fit into...

Fish in the Bay – February 2025. Shaduary Continues.

Good news? Or Bad News?  Shad population explosion has spilled over into February.  January counts broke previous records: 533 American...

Fish in the Bay – January 2025. Crappie Shaduary!

January 2025 was a very disappointing month for Longfin Smelt.  Longfin spawning season started well enough.  November and December numbers...

Fish in the Bay – Merry Fishmas, 2024!

Merry Fishmas everyone!  I fell horribly behind in my fish reporting, so I am combining Fishmas with the November blog. ...

Fish in the Bay – October 2024, Hot October – Invasions Continue.

October was a hot weekend.  Air temperature was beastly.  Water temperatures in October were close to 2 degrees C warmer...

September 2024 Part 2: Goby Faces, Halibut Eyes, Clupeiform Colors, etc.

September report continued … 1. Gobies & Sculpin. Something odd is happening in Goby World.  All numbers were down compared...

Fish in the Bay – July 2024, El Nino Summer Doldrums.

I suppose we could call this the “slow summer” or maybe the “warm summer.”  Fish counts remain low compared to...

Fish in the Bay – June 2024, El Nino Watch.

El Nino officially ended in May, but effects on fishes linger.    Overall fish totals remain low – with one...

Fish in the Bay – May 2024, El Nino?

Relatively few fish overall.  May totals were generally not the lowest ever, but these numbers were reminiscent of low fish...

Fish in the Bay – April 2024, Part 2, Every Fish has a Season.

This is part two of the April report.  Part one covered “Baby Fish Month” which mainly pertains to the April...

Fish in the Bay – March 2024, Spring Flush Continues.

As of March, we were still experiencing a welcome extended rainy spring.  In theory, the additional rainwater flushing should be...

Fish in the Bay – February 2024, Part2. Freshwater Flush, continued.

This is part two of the February blog.  The February flush and the resulting salinity drop scattered most of our...

Fish in the Bay – January 2024, Part 2 – A January food chain.

Part 2 of the January 2024 report: 1. Green water & some reddish fish in Artesian Slough. Clear green water...

Fish in the Bay – November 2023, Cool season.

Winter fishes arrive as weather cools.  This creates a complicated picture in November.  Many summertime fishes linger as Longfins, Herring,...

Fish in the Bay – July 2023, Record Starry Year

Record Starry Year!  As reported earlier, the year-to-date Starry count had already exceeded the previous record year as of June,...

Fish in the Bay – June 2023, Is Summer here yet?

More baby fishes showed up in June!  This included 60 baby Longfin Smelt and 178 baby Starry Flounder which is...

Fish in the Bay – February 2023, Freshwater Flushing Continues.

Cold rain continued to fall as Atmospheric Rivers blew in from the ocean throughout January and February, and even through...

Fish in the Bay – December 2022 – Rain & Brown Water

We trawled in cold and intermittent rain on December 10th and 11th.   This seasonal weather change is a very good...

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