Shimofuri goby

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, WRMP San Pablo Bay Trawls, Part 1.

New WRMP San Pablo Bay trawls.  The UC Davis OGFL crew performed fish assessments of restored marsh areas around San...

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 – 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, Traditional Baby Fish Month.

Spring is here – technically it arrived on March 20th.  Returning warmth is slowly awakening the marshes … just in...

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 – 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 – 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, Part 2. Gobies, Pipefish, & Bugs.

This is part 2 of the June report.  – These are additional observations that couldn’t be squeezed into the initial...

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 – 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 – October 2023, Fall Begins.

Several October spoilers were given in the previous post.  Much more remains to be reported. We will only cover a...

Fish in the Bay – September 2023, Summer’s End.

A belated September fish report:  I missed September trawls, but Sami, Niko, and Janai sent me some photos. I got...

Fish in the Bay – August 2023, Starry, Starry Summer!

The big story for August is that another 464 baby Starries were caught.  When added to all the Starries caught...

Fish in the Bay – August 2023 Highlights: Shimos, Anchovies, & Blackbirds in the Bulrush marsh.

In August, the fish populations finally transitioned to a more typical summertime assemblage of Anchovies and Gobies.    However, a...

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 – 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 – March 2023, Freshwater Flushing & Spawning Fishes!

Atmospheric rivers and rainwater flushing continued through March.  This extended rainy season is a very welcome change after at least...

Fish in the Bay – January 2023, Part 2 – The Rest of the Fishes.

Part 2 of the January report covers all the other interesting fishes and bugs.  Seven atmospheric river storms that swept...

Fish in the Bay – Special Report: Green Water, 6-7 Aug 2022.

This is a Fish in the Bay special report to document observations of water color in Lower South San Francisco...

Fish in the Bay – July 2022, Palaemon Shrimp take over.

Record-breaking Palaemon Shrimp month: almost 13,000 were caught in July.  The previous record monthly catch was in November 2021 when...

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 – April 2022, Part 1: Traditional Baby Fish Month?

Long-time readers will know that April is “Baby Fish Month” in Lower South SF Bay.  Larvae of gobies and a...

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