clupeiform color hypothesis

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...

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 – 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 – 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 – August 2023 Highlights: Shimos, Anchovies, & Blackbirds in the Bulrush marsh.

In August, the fish populations finally transitioned to a more typical summertime assemblage of Anchovies and Gobies.    However, a...

Fish in the Bay – July 2023, Record Starry Year

Record Starry Year!  As reported earlier, the year-to-date Starry count had already exceeded the previous record year as of June,...

Fish in the Bay – June 2023, Is Summer here yet?

More baby fishes showed up in June!  This included 60 baby Longfin Smelt and 178 baby Starry Flounder which is...

Fish in the Bay – Special Report, Color Change Experiment #7

Belated report:  This Clupeiform color change experiment was conducted in December but never reported.  This is part of my longstanding...