A fishing license is required for persons 16 years and older to catch grunion, and they may be taken by sport fishermen using their hands only.
At the next set of high tides, the eggs hatch and the young grunion are washed out to sea.
Young grunion grow rapidly and are about five inches long by the time they reach one year old and are ready to spawn.
Humans, larger fish, and other animals prey upon grunion.
Unfortunately for the residents, the piranha are also partially grunion and share the same instinct.
In a laboratory setting, grunion eat live brine shrimp.
Many people enjoy catching grunion at events called grunion runs.
Seagulls, sea lions, and sand sharks have also been observed feeding on grunion during a grunion run.
