Question: How do
I hunt for Grunion when
the beach is closed'
Answer:
Huntington Beach(es) are
closed during the hours
that Grunion run. There
is a way to catch them
during that time,
however. You must
purchase a fishing
license (sold at Big 5
Sporting Goods and
Sports Chalet). You will
be permitted to go to
the water line to catch
Grunion during the run
with your fishing
license. Parking may
provide an obstacle in
some beach locations and
you will have to figure
that problem out by
parking legally on city
streets or wherever
permitted. If you are 16
or older, you must have
a license.
Call: Big 5 Sporting
Goods, 18595 Beach
Boulevard, (714)
848-3493 or Sport
Chalet, 16242 Beach
Boulevard, (714)
848-0988.
Note:
Seal Beach has had some
exceptional grunion runs
in 2005. The beach is
located on Ocean Avenue.
Take Pacific Coast
Highway to Main Street.
Turn toward the ocean
and when you reach the
Seal Beach Pier, park
your car in parking lots
left and right of the
pier.
About Grunion
Grunion (Leuresthes
tenuis) are members of
the silversides family,
Atherinidae, along with the
jacksmelt and topsmelt. They
normally occur from Point
Conception, California, to
Point Abreojos, Baja
California. Occasionally,
they are found farther north
to Monterey Bay, California
and south to San Juanico
Bay, Baja California. They
inhabit the nearshore waters
from the surf to a depth of
60 feet. Tagging studies
indicate that they are
nonmigratory.
Grunion are the object of
a unique recreational
fishery. These fish are
famous for their spawning
behavior that is so
remarkable that it evokes an
"I don’t believe it"
response from someone who
hears about it for the first
time.
Grunion leave the water
at night to spawn on the
beach in the spring and
summer months two to six
nights after the full and
new moons. Spawning begins
after high tide and
continues for several hours.
As a wave breaks on the
beach, grunion swim as far
up the slope as possible.
The female arches her body
and excavates the semifluid
sand with her tail to create
a nest. She twists her body
and digs until she is half
buried in the sand with her
head sticking up. She then
deposits her eggs in the
nest. Males curve around the
female and release milt. The
milt flows down the female’s
body until it reaches and
fertilizes the eggs. As many
as eight males may fertilize
the eggs in a nest. After
spawning, the males
immediately retreat toward
the water while the female
twists free and returns with
the next wave. While
spawning may take only 30
seconds, some fish remain
stranded on the beach for
several minutes.
Spawning occurs from
March through August, and
occasionally in February and
September. Peak spawning
period is between late March
and early June. Once mature,
an individual may spawn
during successive runs at
about 15-day intervals.
Females can spawn as many as
six times during a season.
Mature females lay between
1,600 and 3,600 eggs during
one spawn, with the larger
females producing more eggs.
The eggs are deposited
during the highest tides of
the month and incubate in
the sand during the lower
tide levels, safe from the
disturbance of wave action.
The eggs are kept moist by
residual water in the sand.
The eggs hatch during the
next high tide series when
they are inundated with sea
water and agitated by rising
surf. This occurs after
about 10 days.
You can watch grunion
eggs hatch by collecting a
cluster of eggs after a
grunion run and keeping them
in a loosely covered
container of damp sand in a
cool spot for 10-15 days.
Then, add one teaspoon of
sand and eggs to one cup of
sea water and shake gently;
the eggs will hatch before
your eyes in a few minutes.
Most grunion seen on
southland beaches are
between 5 and 6 inches long.
Some are as long as 7
inches. An average one-year
old male is 4.5 inches long
while a female is slightly
larger at 5.0 inches. At the
end of two years, males
average 5.5 inches and
females are about 5.8 inches
long. By the end of three
years, an average male is
5.9 inches and a female is
6.3 inches in length. Few
live to be older than 3
years. Grunion mature and
spawn at the end of the
first year.
Grunion food habits are
not well known. They have no
teeth, so they are presumed
to feed on very small
organisms. Shore birds,
isopods, flies, sand worms,
and beetles eat grunion
eggs. Humans, larger fish,
and other animals prey upon
grunion itself.
Despite local
concentrations, grunion are
not abundant. The most
critical problem facing the
grunion resource is the loss
of spawning habitat caused
by beach erosion, harbor
construction, and pollution.
By the 1920's the fishery
was showing definite signs
of depletion and a
regulation was passed in
1927 establishing a closed
season of three months,
April through June. The
fishery improved and in 1947
the closure was shortened to
April through May. This
closure is still in effect
to protect grunion during
the peak spawning period.
A fishing license is
required for persons 16
years and older to capture
grunion. Grunion may be
taken by sport fishers using
their hands only. No holes
may be dug in the beach to
entrap them. There is no
limit, but take only what
you can use. It is unlawful
to waste fish. With these
regulations, the resource
seems to be maintaining
itself at a fairly constant
level. While the population
size is not known, all
research points to a rather
restricted resource that is
appropriately harvested
under existing law.
While grunion spawn on
many beaches in southern
California, the Department
of Fish and Game does not
recommend any particular
beach because of changing
safety conditions and local
curfews. One of the best
ways to find out which
beaches have had recent runs
is to call the state and
county beach lifeguards who
can often tell if spawning
has taken place. There is a
grunion program offered to
the public at Cabrillo Beach
in San Pedro on several
nights of the season. Call
(310) 548-7562 for details.
What Every Grunion
Hunter Should Know:
Regulations
A valid State fishing
license is all that is
required for taking
grunion. The season is
closed during April and
May. However, this is an
excellent time for
observing runs. Grunion
must be taken by hand
only, no appliances of
any kind may be used,
and no holes may be dug
in the beach. There is
no limit to the number
that may be taken, but
grunion should not be
wasted.
When to Go
The spawning season
extends from March
through September. The
California Department of
Fish and Game issues
schedules of expected
grunion runs in advance
of each season.
Predictions are made
only through July, since
runs in August and
September are very
erratic. These schedules
of expected runs are
published in newspapers
and copies are given to
many sporting goods
stores throughout
southern California. If
these are not available,
all that is needed by
the grunion hunter to
make his own predictions
is a tide table. Grunion
runs may occur anytime
from the night of
highest tide throughout
the descending series of
high tides. Runs are
most likely to occur on
the second, third,
fourth, and fifth nights
following the night of
new or full moon.
Generally, the third and
fourth nights are best.
The time of the run will
be 30 to 60 minutes past
high tide and it will
last from 1 to 3 hours.
The heaviest part of the
run usually occurs at
least 1 hour after the
run starts.
Best locations
Grunion runs will occur
on most southern
California beaches, but
may not occur every
night on the same
beaches and may be
limited to small areas
of any one beach. The
ends of beaches are
often the best spots.
Some of the beaches in
southern California that
are known to have runs
are: the beach between
Morro Bay and Cayucos,
Pismo Beach, Santa
Barbara, Malibu, Santa
Monica, Venice, Hermosa
Beach, Cabrillo Beach,
Long Beach, Belmont
Shore, Seal Beach,
Huntington Beach,
Newport Beach, Corona
del Mar, Doheny Beach,
Del Mar, La Jolla,
Mission Beach and the
Coronado Strand. The
beaches near Ensenada in
Baja California also
have good runs.
Hints for Catching
Grunion
It is best to go to the
end of an uncrowded
beach. This is not
always possible, but the
fewer people the better.
Fires and lanterns
should be used
sparingly. Light may
scare the fish and they
will not come out of the
water. After a wave has
receded, flashlights may
be used to help locate
fish. A small gunny sack
makes a good grunion
creel. Finally, plan to
stay late, many
grunioners quit an hour
after high tide and miss
a good run.
Cooking Your Grunion
Catch
Grunion should be
cleaned and scaled. For
best results they should
be rolled in a mixture
of flour and yellow corn
meal to which a little
salt has been added and
deep fried until golden
brown. Although bony,
they have a very
delicate flavor and
provide excellent table
fare when prepared
fresh.
Research and management
of the grunion by the
California Department of
Fish and Game is supported,
in part, by the Federal Aid
in Sport Fish Restoration
Program
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