Fish in the Bay – July Aug 2025, Bair Island = Mystery Island.
Bair Island, a restored marshland off the shores of Redwood City and San Carlos, is the latest new area we...
Fish in the Bay – June 2025, Return to Lower South Bay (LSB).
After several visits to San Pablo Bay in the north, we returned to Lower South Bay marshes in early June. ...
Fish in the Bay – May/June 2025, WRMP San Pablo Bay Trawls, Part 4 – Wildcat & San Pablo Marshes.
Part 4 of the San Pablo Bay Trawls. This is the fourth and final installment of our first round of...
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 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 – 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, 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 – 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 – 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 – March 2025. Baby Fishes & Interesting Oddballs
The Shaduary Shad population explosion ended by early March. Only a small remnant of stragglers remained in the area. Unfortunately,...
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 – Special Report: Lower South Bay Broodstock Trawls, Jan 2025 – Return to Oz.
Longfin Smelt Broodstock trawls continued over numerous days through January, February, and even into the first weeks of March. I...
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 – 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 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 – 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 – December 2024. Happy Longfin New Year!
Happy New Year! This post mainly focuses on the latest return migration of spawning Longfin Smelt – a now an...
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...
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 – August 2024. Bat Ray Care & Feeding – in the Nursery.
Once again, fish totals were low in August. We presume this is the lingering El Nino effect. Hopefully, a flip...
Fish in the Bay – Summer 2024. Clupeiform Color Special – Riddle of the Guanine Crystal.
This is a special report to consolidate recent observations and discoveries regarding light refracting-properties we see so often in Clupeiform...
Fish in the Bay – July 2024, Part 2. Anchovy Colors & Spawning Behavior.
This second part of the July report covers some additional random items. Spawning Anchovy sex ratio Water Color Update for...
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 – June 2024, El Nino Watch.
El Nino officially ended in May, but effects on fishes linger. Overall fish totals remain low – with one...