Atherinops affinis

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. 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 – August 2022, Bat Ray Bonanza.

A slightly belated report from August trawls.  At the time of this report, we were not yet aware of Red...

Fish in the Bay – Special Report: Green Water, 6-7 Aug 2022.

This is a Fish in the Bay special report to document observations of water color in Lower South San Francisco...

Fish in the Bay – May 2022: Big Baby Fish Month!

As reported last month, the early April trawls captured “Traditional Baby Fish Month.”  But with only 721 babies, it was...

Fish in the Bay – April 2022, Part 1: Traditional Baby Fish Month?

Long-time readers will know that April is “Baby Fish Month” in Lower South SF Bay.  Larvae of gobies and a...

Fish in the Bay – February 2022: Another Record Catch.

February was another great month if you like small pelagic bait fishes. … And, who doesn’t? The February Longfin Smelt...

Fish in the Bay – December 2021: End of the first Dry La Nina Year.

2021 was a very good year in Lower South SF Bay (LSB) – for most fishes.  Many records were broken,...

Fish in the Bay – October 2021: Longfins Returned. Non-native Silversides & Shimofuris were still out of control.

Trawl map. The results from October trawls were a mix of good and bad news on several levels.   Bay-side...

Fish in the Bay – July 2020: Lots of Crangon & Topsmelt, plus a Red Ceramium Bloom.

Trawl map.   Bay-side stations trawling results.   Upstream of Railroad Bridge. Our July trawling weekend was quite an experience. ...

Fish in the Bay – February 2019, UC Davis Trawls – Bug Bonanza! Winter rains bring more bugs!

Hi everyone.   I again accompanied the UC Davis / Hobbs team on Saturday, 23 February, for “20-milimeter Larval Fish Trawls.” ...