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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 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: 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 – 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 – January 2025 Part 2. Other Bugs & Fishes.

This second part covers additional fishes and bugs that were not included in the January report.   1. Colorful Clupeiforms.  Wintertime...

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 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 – May 2023, Extra Baby Fish Month.

More baby fish showed up in May.  For want of a better term, this was an “Extra Baby Fish Month.”...

Fish in the Bay – June 2022, Record Anchovies and Gobies!

The fishes are now solidly in their summertime regime:  Anchovies, Gobies, baby Sharks, and Bat Rays.  Cool water fishes have...

Fish in the Bay – May 2022: Big Baby Fish Month!

As reported last month, the early April trawls captured “Traditional Baby Fish Month.”  But with only 721 babies, it was...

Fish in the Bay – February/March 2022 Supplemental Report: Gobies, Shrimp, etc.

SF Bay fishes are very active in winter through spring.  Charismatic pelagic fishes like Longfin Smelt, Anchovies, Herring, Topsmelt, and...

Fish in the Bay – September 2021: Operation Guadalupe.

Hello folks.  From mid-August thru mid-September, the UC Davis OG Fish Lab did something very different.  With additional funding from...

Fish in the Bay – July 2021: Anchovy & Goby Season – Crangon Disappeared!

Trawl map. Good News!  The summer 2021 Anchovy spawn continues.  And, we found more bryozoan reef and two new interesting...

Fish in the Bay – June 2021: Summer Fishes.

Trawl map. June Trawls.  The summertime Anchovy spawn commenced in June: see previous Anchovy Alert blog post – http://www.ogfishlab.com/2021/06/05/fish-in-the-bay-june-2021-anchovy-alert-spawning-anchovies-have-returned-to-lower-south-san-francisco-bay/.  This...

Fish in the Bay – January 2021, Part 2: La Nina Skies; shrimp, parasites, and more.

Sunrise near station Coy4 on January 30th, 2021 I had some odds-and-ends left to report from the January trawls.  Beautiful...

Fish in the Bay – November 2020: Cold Snap – Winter Arrives.

Trawl map. November trawls confirmed that winter arrived in Lower South Bay:  Total fish counts dropped from over 7,900 in...

Fish in the Bay – September 2020, Part 2: Shimofuri Special Report and Benthic Bugs.

Fish in the Bay – September 2020, Part 2: Shimofuri Special Report and Benthic Bugs.

This post is a cleanup of a few ongoing issues.  The Shimofuri Goby problem. As discussed many times, Shimofuri Gobies...

Fish in the Bay – August 2020: Red Ceramium, Tricolored Blackbirds, & more Spawning Anchovies.

Hello again.  This is a bit of an “odds and ends” clean up post.  I was unable to join the...

Fish in the Bay – May & June 2020, part 2: Fishes of June, plus a bonus worm.

This is part two of a combined May – June report.  Part one examined the massive Crangon shrimp recruitment explosion...

Fish in the Bay – December 2019: Part 2, Gobies and more wet-season erosion.

Some additional December observations and 2019 end of year clean up. Fish & Bug Matrix: Six good years of comparable...

Fish in the Bay – November 2019, UC Davis Trawls – Blue Fish!

Happy Thanksgiving! BE THANKFUL FOR THE RAIN.  Cool-season rains were long overdue when we trawled on 9-10 November.  The fish...

Fish in the Bay – October 2019, UC Davis Trawls – Winter Fish Arrivals & a goby surprise.

I joined the UC Davis trawls on both days of this October’s trawling weekend.  … Fish are on the move! ...

Fish in the Bay – August 2019, UC Davis Trawls – Worm Fight and the Evolving Marsh.

We had another good trawling weekend in August despite warm water and plummeting Dissolved Oxygen (DO).    Dr. Hobbs joined...

Fish in the Bay – July 2019, UC Davis Trawls – Brown-back Anchovies and Bat Rays

It was another mixed-up weekend in July owing to extreme summer tides and some rough afternoon weather that preempted trawling...

Fish in the Bay – March 2019, UC Davis Trawls – Fish & bug New Year?

March fish report:  Atmospheric rivers and freshwater flushing continue to influence critters in the Bay.  I am coming to the...

Fish in the Bay – 9 July 2017 UC Davis trawl – Green Water & Low DO

A July update on fish trawling…  I was out with Hobbs and the UC Davis crew on 9 July on...