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Report Observations: your voice makes a difference! 

Picture
Picture
Grunion Greeter Observation Form

Anyone can submit an observation form. It takes only a few minutes and can be done on your smart phone or computer.

Click the Grunion Greeters image to be taken to the short survey. Or use your phone to follow the QR code.

You can download a printable form here to take to the beach, but your observations must be submitted online, using this online form.

Find FAQs and more about grunion runs on the Greet the Grunion page. 

Walker Scale for Monitoring California Grunion Runs
This metric is used to record the strength and duration of the run. You will also be asked your location on the beach and information about predators, fishing, and weather. 

For details on how to use the Walker Scale, click here.  Below are photos of actual runs at each level and a table with more information.​

Walker Scale
Amount of Grunion
Duration
Description
W0
no fish or only a few individuals, little or no spawning,
fish do not stay long on beach

less than 1 hour
Not a run
W1
10 to 100 adult fish on shore at a time in a limited area, little spawning
less than 1 hour
Light run 
W2
hundreds of fish ashore at the same time in a small area or across the beach, fish appear in many of the waves
less than 1 hour
Good, respectable run
W3
hundreds to thousands of fish in one or two areas of the beach, may be locally heavy, may be brief or intermittent
under or over an hour
Strong run
W4
Thousands of fish together on shore at the same time, may extend across beach, little sand visible between fish
less than an hour at its peak but run may extend longer
Excellent run 
W5
Fish covering the length of the beach,
a silver lining along the shore, several individuals deep,
impossible to see sand between fish

Peak density lasts over an hour 
Incredible run, less than 2 % of all runs are at this level

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  • Home
  • Greet the Grunion
  • Report Observations
  • Media
  • Literature
    • Scientific Literature - Recent
    • Scientific Literature - Classic
  • Stories
    • Recent Stories
    • News and Stories
  • Contact