“Take Me Out for a Trawl Day” – In the Shadow of the Gantry
The WRMP trawl team celebrates a smooth day on the water at Alviso Marsh with some fine tunes & marshified...
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 – 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 – 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 – 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...
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 – 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 – February 2024, Freshwater Flush & a Later Red Tide.
February trawls were conducted on 10 and 11 February just after two atmospheric rivers dumped a good amount of rain. ...
Fish in the Bay – January 2024, Part 2 – A January food chain.
Part 2 of the January 2024 report: 1. Green water & some reddish fish in Artesian Slough. Clear green water...
Fish in the Bay – January 2024 – Longfin New Year!
Our first trawls of the new year were fairly spectacular for a mid-January: 731 Longfin Smelt. – This month alone...
James Hobbs
Jim Ervin
Levi Lewis
Malte
Rachel
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