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...
This is part 2 of a 4-part San Pablo Bay series. The UC Davis Otolith Geochemistry & Fish Ecology Lab...
New WRMP San Pablo Bay trawls. The UC Davis OGFL crew performed fish assessments of restored marsh areas around San...
Spring is here – technically it arrived on March 20th. Returning warmth is slowly awakening the marshes … just in...
The UC Davis OGFL lab was contracted by the Wetlands Regional Monitoring Program (WRMP) to perform fish monitoring surveys at...
The Shaduary Shad population explosion ended by early March. Only a small remnant of stragglers remained in the area. Unfortunately,...
This is a third and final report on 2025 Longfin Smelt Broodstock Trawls. I was not present at most of...
Longfin Smelt Broodstock trawls continued over numerous days through January, February, and even into the first weeks of March. I...
Good news? Or Bad News? Shad population explosion has spilled over into February. January counts broke previous records: 533 American...
This second part covers additional fishes and bugs that were not included in the January report. 1. Colorful Clupeiforms. Wintertime...
This is a special report to consolidate recent observations and discoveries regarding light refracting-properties we see so often in Clupeiform...
El Nino officially ended in May, but effects on fishes linger. Overall fish totals remain low – with one...
Relatively few fish overall. May totals were generally not the lowest ever, but these numbers were reminiscent of low fish...
Once again, it is that time of year: Baby Fish Month! Hundreds to thousands of tiny baby “unidentified” gobies traditionally...
This is part two of the February blog. The February flush and the resulting salinity drop scattered most of our...
This is a pelagic fish holiday special. Longfin Smelt and Pacific Herring have arrived in preparation for mid-winter spawning. Young...
Winter fishes arrive as weather cools. This creates a complicated picture in November. Many summertime fishes linger as Longfins, Herring,...
Record Starry Year! As reported earlier, the year-to-date Starry count had already exceeded the previous record year as of June,...
More baby fishes showed up in June! This included 60 baby Longfin Smelt and 178 baby Starry Flounder which is...
More baby fish showed up in May. For want of a better term, this was an “Extra Baby Fish Month.”...
April is “Traditional Baby Fish Month.” The tradition is fairly new in Lower South San Francisco Bay. New for us,...
We trawled in cold and intermittent rain on December 10th and 11th. This seasonal weather change is a very good...
Belated report: This Clupeiform color change experiment was conducted in December but never reported. This is part of my longstanding...
Good News! Our streak of phenomenal finfish production continues. This time last year, we were marveling over the uncharacteristic boost...
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...
Trawl map. May Trawls. May is typically a low-fish transition month between “Baby Fish Month” of April and summertime Anchovies. ...
Trawl map. We caught a lot of baby fish in March; more shrimp than normal as well. The Pacific Ocean...
Trawl map. Good news, a new season of spawning fish arrived! Read on. Bay-side stations trawling results. Rare, odd-ball...
Trawl map. Good news first: 1126 Anchovies! That is the biggest January catch of Anchovies since 2014. 465 Longfin Smelt...
I am social-isolating and self-sheltering to maximum extent possible. Yet another naturally-mutated virus popped up and potentially threatens to mow...
No rain = fewer fish! An unseasonable winter dry spell continues. Lower South Bay continues to get saltier. Based on...
