Northern Anchovy

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, 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, 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. 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 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 – 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 – 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 – 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, 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 – 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 – 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 – December 2023 – Merry Fishmas!

This is a pelagic fish holiday special. Longfin Smelt and Pacific Herring have arrived in preparation for mid-winter spawning.  Young...

Fish in the Bay – November 2023, Cool season.

Winter fishes arrive as weather cools.  This creates a complicated picture in November.  Many summertime fishes linger as Longfins, Herring,...

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...

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