Grunion Runs

Experience a Unique Southern California Event

Get ready for a true Southern California experience! Observe hundreds of small silver fish called grunion ride the waves onto La Jolla beaches to spawn. Before hitting the beach, see grunion hatch before your eyes during a special presentation about this mysterious fish. 

Prepare for cool, wet conditions and bring a flashlight. Minors must attend with a paid adult, for ages 6+.  Pre-purchase required.

Grunion Runs do not meet at Birch Aquarium.

Price 

Birch Aquarium Members: $15
Public: $17
Pre-purchase required.

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Upcoming Events

Sat, March 3 10:30 pm - 12:30 am Grunion Run
Mon, April 2 11:00 pm - 1:00 am Grunion Run
Wed, May 2 11:00 pm - 1:21 am Grunion Run
Thu, May 31 10:30 pm - 12:30 am Grunion Run
Fri, June 1 11:00 pm - 1:00 am Grunion Run

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