Grunions spawn out of the water

Image: Twin Cities PBS

Grunions reproduce by coming completely out of the water to spawn on beaches in South California and Baja Mexico. Hundreds to thousands of grunions can be observed swimming onshore in a grunion run.

Resources:

NBC San Diego:Fish out of water - May 2018 Grunion Run

Grunion Facts and Expected Runs, CA Fish and Wildlife

Grunion Biology, Pepperdine University

Grunions (Season 1, Episode 4)

Type
Phenomena
Subject
Earth and Space Science
Life Science
NGSS Standards

Grunion runs follow the cycles of the moon, permitting classroom connections between life science and space science through the crosscutting concept of patterns.

1-ESS1-1,ESS1.A: The Universe and its Stars

MS-ESS1-1,ESS1.A: The Universe and Its Stars

Grunion reproduction process.

3-LS1-1,LS1.B: Growth and Development of Organisms

MS-LS1-4,LS1.B: Growth and Development of Organisms

More Activities & Resources:

Hot air balloons in Temecula float in the sky

Use hot air balloons to explore weather patterns and properties of air.
Phenomena

Trees get most of their dry mass from the air

The Moreton Bay Fig Tree, behind the San Diego Natural History Museum in Balboa Park
Phenomena

Curtains of clouds form near the coast

San Diego's marine layer creates a cloud "curtain" that hovers over the coast.
Phenomena
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