menidia beryllina

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 – 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 – 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 2022, Bat Ray Bonanza.

A slightly belated report from August trawls.  At the time of this report, we were not yet aware of Red...

Fish in the Bay – December 2021: Longfin Alert! Longfin Smelt have commenced Spawning in Lower South San Francisco Bay!

The first spawning-ready Longfin Smelt of the 2021/22 spawning season have been detected.  This typically happens in December, but only...

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 3.

Operation Guadalupe trawl stations. Operation Guadalupe. Continued.  For this third and last installment, we surveyed the upstream tidal end of...

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 – 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 – October 2020: Anchovy Spawning & Silverside Tsunami Increase.

Trawl map annotated with Anchovies and Silversides. Anchovy spawning locations are circled in pink. Two major trends continued in October: ...

Fish in the Bay – September 2020: Silverside Tsunami, spawning Anchovies & some apex predators.

Trawl map annotated with Anchovies and Silversides. Anchovy spawning locations are circled in pink. Anchovies continue to spawn in September! ...

Fish in the Bay – July 2020: Lots of Crangon & Topsmelt, plus a Red Ceramium Bloom.

Trawl map.   Bay-side stations trawling results.   Upstream of Railroad Bridge. Our July trawling weekend was quite an experience. ...

Fish in the Bay – September 2019, UC Davis Trawls – Exopalaemon Blow-Out plus more Anchovy Color Investigation.

I did not join the September trawls, so the photo record is a little sparse.  It was an interesting month...

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...