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: Suisun Bay Broodstock Trawls, December 2024.

I accompanied the UC Davis crew on a “Longfin Smelt Broodstock” trawling expedition in north San Francisco Bay in December...

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...

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, 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 – April 2024, Traditional Baby Fish Month.

Once again, it is that time of year: Baby Fish Month!  Hundreds to thousands of tiny baby “unidentified” gobies traditionally...

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 – November 2023, Part 2 – Micro World.

Sami and Janai loading the net on Saturday morning. For this second part of the November report, Janai gave us...

Fish in the Bay – October 2023, Part 2: Musculista Explosion, Green Water, & Big Brown Birds.

This report covers additional observations from October. Musculista senhousia, aka “Asian Date Mussels,” or Arcuatula senhousia, have been showing up...

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 – April 2023, Traditional Baby Fish Month

April is “Traditional Baby Fish Month.”  The tradition is fairly new in Lower South San Francisco Bay.  New for us,...

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 – 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 – 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 – 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 1: Crangon Shrimp Recruitment Explosion.

Wilson Xieu, junior specialist at the UC Davis Otolith Geochemistry & Fish Ecology Lab, joined the trawls in May.  Photo...

Fish in the Bay – March 2020, part 2: The Shrimp Gradient (post SARS-CoV-2 lock-down edition).

Hello again folks.  This is a belated part 2 to the March fish report.  Coronavirus/COVID-19 crisis forced a hiatus in...

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 – October 2019, UC Davis Trawls (Part2) – Big Fish in a Little Pond; plus a Shrimp update.

This is part 2 from our latest trawling weekend, 5 & 6 October.  See previous post for datasheets. Bay Study. ...

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 – 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 – May 2019, UC Davis Trawls – Cinco de Mayo

I joined the UC Davis / Hobbs Lab for a regular set of Otter Trawls on May 5th.  Last week’s...

Fish in the Bay – February 2019, UC Davis Trawls – LONGFIN ALERT! Spawning confirmed for 2019!

Folks, I write as the Atmospheric River pounds the Bay Area with much needed rain.  Urgent flood alerts have just...

Fish in the Bay – December 2018 UC Davis Trawls – Crangon 2018: Year of the Crangon!

Happy New Year!  Welcome to 2019.  Good News:  We wrapped up December with an unbelievable Crangon brooding event.  This was...