Posts by Jim Ervin

Fish in the Bay – January 2021, part 1: Winter Fishes = Longfin, Shad, Herring, & Anchovy(?).

Trawl map. Good news first:  1126 Anchovies! That is the biggest January catch of Anchovies since 2014.  465 Longfin Smelt...

Fish in the Bay – January 2020: The Longfin Chronicles, Part 3.

Longfin trawl results from January 2nd & 3rd. Operation “Save Our Smelt” 2020/21, week three.  By this point, over 100...

Fish in the Bay – December 2020: The Longfin Chronicles, Part 2.

Longfin trawl results from December 27th& 28th. Longfin Smelt Broodstock Collection. Operation “Save Our Smelt” 2020/21 continued through the last...

Fish in the Bay – December 2020: The Longfin Chronicles, part 1.

Longfin trawl results from December 20th. Operation “Save Our Smelt” 2020/21 has begun.  This is the third year that researchers have...

Fish in the Bay – December 2020: Anchovy Rebound & Blue Fish.

Trawl map. A Longfin Smelt “Alert” was posted earlier concerning egg-bearing Longfins we caught in December.  This post addresses all...

Fish in the Bay – December 2020: Longfin Alert! Longfin Smelt are Spawning in Lower South San Francisco Bay!

Trawl map highlighting the December Longfin Spawning Zone. 1. Background. In 2017, UC Davis researchers first confirmed Longfin Smelt spawning in...

Fish in the Bay – November 2020: Cold Snap – Winter Arrives.

Trawl map. November trawls confirmed that winter arrived in Lower South Bay:  Total fish counts dropped from over 7,900 in...

Fish in the Bay – October 2020: Anchovy Spawning & Silverside Tsunami Increase.

Trawl map annotated with Anchovies and Silversides. Anchovy spawning locations are circled in pink. Two major trends continued in October: ...

Fish in the Bay – September 2020, Part 2: Shimofuri Special Report and Benthic Bugs.

Fish in the Bay – September 2020, Part 2: Shimofuri Special Report and Benthic Bugs.

This post is a cleanup of a few ongoing issues.  The Shimofuri Goby problem. As discussed many times, Shimofuri Gobies...

Fish in the Bay – September 2020: Silverside Tsunami, spawning Anchovies & some apex predators.

Trawl map annotated with Anchovies and Silversides. Anchovy spawning locations are circled in pink. Anchovies continue to spawn in September! ...

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