Triakis semifasciata

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 – Special Report: Lower South Bay Broodstock Trawls, Jan-Feb 2025 – Pictures at an Exhibition, A Fish Opera.

This is a third and final report on 2025 Longfin Smelt Broodstock Trawls.  I was not present at most of...

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 – September 2024. Upstream Invasions.

A belated September report … The overall raw fish count increased, but this was not good news.  Almost 50% of...

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 – November 2023, Part 3 – Bat Rays to the Rescue?

We caught 36 Bat Rays in November.  It was unexpected to see so many this late in the year.  With...

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 – 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 – 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 – November 2022 – Sturgeon Alert!

The disastrous San Francisco Bay Red Tide of August 2022 is now fading into memory.  The most crushing long-lasting effect...

October Report – Big Bass & Guitarfish Month.

In response to concerns about fish kills from the July-September Red Tides in Central and South San Francisco Bay, I...

Fish in the Bay – Special Report, The Year of the Shark – 2022.

Schematic distribution of the 9-10 July shark catch: 20 Leopards + 2 Brown Smoothhounds. Our block-buster shark year continues.  By...

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, Supplemental Report, Fishes & Other Critters.

By Luca Sartori, California State Maritime Academy Class of 2025.   https://www.csum.edu/ Editor’s note: Luca is spending his summer internship developing...

Fish in the Bay – May 2022, Part 2: Leopard Shark Baby Boom.

These are additional notes from the May trawls.  As always, there are so many critters to discuss and so little...

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...

Fish in the Bay – March 2022: A Crazy & mixed up month!

March was an unusual month that we still have not completely figured out.  We are in the start of a...

Fish in the Bay – November 2021: Winter Fish Transition.

Happy New Year 2022. I am thinking about 2021 in review, but at the same time, I am still catching...

Fish in the Bay – October 2021: Longfins Returned. Non-native Silversides & Shimofuris were still out of control.

Trawl map. The results from October trawls were a mix of good and bad news on several levels.   Bay-side...

Fish in the Bay – September 2021: Operation Guadalupe, Part 2.

Operation Guadalupe trawl stations. Operation Guadalupe. Continued.  For this second installment, we examine some of the fishes in Alviso Slough...

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 – August 2021: Red Ceramium, Boogers, a Nudibranch, and other Summertime Oddities.

Trawl map. We are continuing to experience a very good Anchovy year.  The 2021 total is on track to possibly...

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 – May 2021: Finishing off the La Nina spring.

Trawl map. May Trawls.  May is typically a low-fish transition month between “Baby Fish Month” of April and summertime Anchovies. ...

Fish in the Bay – April 2021: More baby fish.

Trawl map. April is “Baby Fish Month.”  We caught almost 1,900 unidentifiable baby fish.  Most of these tiny babies were...

Fish in the Bay – January 2021, part 1: Winter Fishes = Longfin, Shad, Herring, & Anchovy(?).

Trawl map. Good news first:  1126 Anchovies! That is the biggest January catch of Anchovies since 2014.  465 Longfin Smelt...

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...

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