Visit the Cabrillo Marine Aquarium on Friday, April 21 from 8-11:55 P.M. to find out more about this small, silvery fish that spawns on local beaches in the spring. Grunion Fishtival attendees will be able to help hatch grunions, participate in grunion-themed arts and crafts, and interact with tide pool animals. Tickets are available online, please visit CabrilloMarineAquarium.org for more information.