Blog

Fish in the Bay – 10 February 2018 UC Davis – Larval Smelt Survey, in search of Longfin Spawn.

Today, I joined Jim Hobbs for one of his Larval Smelt Surveys. This is a different kind of survey commissioned...

Fish in the Bay – 14 January 2018 UC Davis Trawl – Longfin Smelt WITH EGGS!

Happy belated New Year! … The UC Davis / Hobbs crew surveyed Alviso area sloughs and marshes on 13 &...

Fish in the Bay – 2 December UC Davis Trawl – Part 3: The Bugs

It’s end of year, we just passed through solstice (21 December) and King Tide perihelion is coming on 2 Jan. ...

Happy Holidays from the Hobbs Laboratory!

Happy Holidays from the Hobbs Laboratory!

The Hobbs Lab wish you and yours a happy and safe holiday season!

Fish in the Bay – 2 December UC Davis Trawl – Part 2: King Tide Weekend; The Tide

Folks, … something a little different this time. I keep meaning to discuss the most conspicuous feature you see on...

Fish in the Bay – 2 December 2017 UC Davis Trawl – Part 1: King Tide Weekend; The Fish

Hi Folks.  UC Davis fish researchers returned to trawl the first weekend of December.  I joined them on the Saturday...

Fish in the Bay – by James Ervin

Fish in the Bay – by James Ervin

19 November UC Davis Trawl – Part 1: May the Flush be with us.  Hello everyone.  I spent nice sunny,...

Hobbs Lab Attends Recent Conferences

Hobbs Lab Attends Recent Conferences

James Hobbs, Christina Parker, Malte Willmes and Arthur Barros attended State of the Estuary on October 10-11, 2017 and presented...

Fish in the Bay – 2 September 2017 UC Davis trawl – American Shad & Bat Rays

A fishing update:  I went with the Hobbs crew on the deeper water Bay side on 2 September.  It is...

Fish in the Bay – 6 August 2017 UC Davis trawl – A good year for Starry Flounder

A short August update.  I rode with the UC Davis crew on 6 August on the Artesian/Upper Coyote Creek side....

Fish in the Bay UPDATE — Green water & the proper trawling invocation

RE: Fish in the Bay – 9 July 2017 UC Davis trawl – Green Water & Low DO Folks, Shortly...

Fish in the Bay – 9 July 2017 UC Davis trawl – Green Water & Low DO

A July update on fish trawling…  I was out with Hobbs and the UC Davis crew on 9 July on...

Little Fish in Big Trouble: The Bay Delta’s Longfin Smelt

Little Fish in Big Trouble: The Bay Delta’s Longfin Smelt

Longfin Smelt, is a small pelagic forage “baitfish” that was once one of the most abundant fishes in the San...

Fish in the Bay – 7 May 2017 UC Davis trawl – Sharks can’t tolerate fresh water but lots of other critters like it!

Folks, regarding those sharks …  Shark die-off in San Francisco Bay is trending in the news: http://kron4.com/2017/04/13/troubling-trend-dead-sharks-washing-up-on-bay-area-shorelines/ http://www.sfgate.com/bayarea/article/Hundreds-of-dead-sharks-washing-up-on-Bay-Area-11119620.php http://abcnews.go.com/US/wireStory/hundreds-leopard-sharks-dying-san-francisco-bay-47252080 The...

Fish in the Bay – 9 April 2017 UC Davis Trawl – Longfin Smelt Spawn

I rode again with the UC Davis / Dr. Jim Hobbs fish monitoring survey on Sunday, April 9th.   For...

Start of the field season 2017

Start of the field season 2017

Fish in the Bay – 6 November 2016 UC Davis trawl – the upstream run

Report from Sunday trawling.  UC Davis Sunday trawls motor through waters east of the railroad bridge. Fresher water fish and...

Monitoring Restoration in South San Francisco Bay Oct 1. 2016

Monitoring Restoration in South San Francisco Bay Oct 1. 2016

Post by Dr. James Ervin, Compliance Manager for the San Jose-Santa Clara Regional Wastewater Facility I joined UC Davis / Dr. Jim Hobbs fish monitoring survey on October 1st. I was on the Saturday run this time. As explained last month, monthly trawls are performed in Alviso Slough and Bay-side stations on Saturdays. On Sundays of the same weekend, the crew trawls the upstream half of Lower Coyote Creek. Saturday runs are always good for variety. The fish are fewer, but get bigger and weirder as you venture deeper into the Bay. On this day, we launched from the public boat ramp at Alviso. This is what Alviso Slough looked like early in the morning. Can you see the gobs of white foam? Many people assume foam like this must be from detergent or some other form of pollution. Foam like this is quite common in sloughs of Lower South Bay. This is a result of billions of microbes cycling carbon. The microbes synthesize and lyse triglycerides, amino acids, proteins, etc. as they grow and die. This material becomes dissolved organic carbon (DOC) in the water column. The least bit of turbulence as Bay tide rushes in and out builds up globs of waxy foam that can persist for hours.

Fish in the Bay – 1 October 2016 UC Davis trawl – Sharks!

I joined UC Davis / Dr. Jim Hobbs fish monitoring survey on October 1st for the Saturday run.  As explained...

Fish in the Bay – 7 August 2016 UC Davis trawl – Stickleback are up. Staghorns are down.

Hello again folks, I don’t normally go out fishing with the UC Davis / Jim Hobbs crew so frequently, but...

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