
Also
known as a "dog salmon" due to its canine appearance during
the spawning phase, chum salmon is one of the favorite target species
among anglers due to their high abundance and powerful strength.
Although they are not known as a great table fish, they are economically
important as they make up a large portion of the commercial catches
each year.
Description
During the ocean phase, chum salmon possess the
metallic blue colour on their back while the rest of the body remains
silver, similar to their salmonid cousins. It is difficult to distinguish
between a chum salmon and a coho or sockeye salmon without a close
examination of the fins and gill rakers during this phase. Chum
salmon have fewer but larger gill rakers. Once they enter the rivers,
their spawning colours emerge. Streaks of purple, green, pink bars
can be seen on the side of their body. A hook snout and large teeth
will develop in males while a lateral black streak can be seen in
females. At spawning age, most fish will range between 10 and 20
pounds while the odd 25 pounds+ can be found occasionally.
Distribution
Chum salmon is widely distributed compared to other
pacific salmon species. They can be found along the west coast from
California to Alaska, as well as parts of Japan and the Arctic.
Life History
Chum salmon's life cycle is a typical anadromous
life cycle. Their average life span is four years but some may reach
six years. After emerging from the eggs around late winter, fries
of chum salmon do not reside in freshwater for a period. They move
into the estuary and feed on small insects and other aquatic organisms
before heading into the ocean. Their ocean migration takes up most
of their life span and their food composition changes from zooplankton
to small bait fish as they grow. After spending several years in
the ocean, adult reach sexual maturation during fall and begin to
migrate back into the rivers. Reproduction takes place in small
river channels, chum salmon are typically shallow spawners. The
female dig up redds where eggs are laid while males fight for their
territory and ideal mate. In average, a female chum salmon can lay
up to 4000 eggs, but only 70% or so are fertilized.
Fishing Locations
In the Lower Mainland, chum salmon make their annual
return into the river between October and December. During this
period, they can be caught in any rivers that have a strong run.
These rivers include Stave River, Squamish River, Cheakamus River,
Vedder River, Harrison River, Cheahalis River, Indian River and
many other sloughs in the Fraser Valley. They can also be caught
by barfishing along the Fraser River. Prior to entering the river,
boat anglers can enjoy catching them by trolling in the ocean. In
other parts of BC, they can pretty much be found in every salmon
spawning river. Be sure to check the fishing regulations for openings
and daily quotas of chum salmon before heading out.
Fishing Techniques
Chum salmon can be caught with ease if you are fishing
at the right place and time. To successfully bring the fish in is
another story. To ensure that you will not lose the fish, it is
important that you use proper tackle. Heavy enough rod, reel and
line can not only put up with the strong fight, it also reduces
fighting time to ensure the survival of the fish when released.
Chum salmon can be caught with various techniques, these include
driftfishing with a float, bottom bouncing, spinning with spoons
or spinners in rivers, trolling in the ocean with hootchies. Typical
colours used for chum salmon include green, chartreuse, pink, peach,
orange and purple.
Are they edible?
To most anglers, chum salmon is known as an undesirable
species when it comes to consumption. However, this is not entirely
true. With proper preparation, chum salmon can be an excellent dining
fish. North Americans prefer to smoke them and consume them as snacks,
while salted chum salmon in Japan is considered a good dish by the
elderlies. The roe of chum salmon is often used in Japanese sushi
restaurants. In BC, chum salmon is extremely important in commercial
fishing as they make up majority of the catches.
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