Chum Salmon – Silverbrite Salmon – Profile, Description

chum salmon
(Last Updated On: April 13, 2021)

Chum Salmon, scientific name Oncorhynchus keta is a fish belonging to the species of anadromous under the Salmon family. Also called silverbrite salmon, a Chum Salmon is from the Pacific, and can also be called dog salmon or keta salmon and is often marketed as silverbrite salmon.

Chum Salmon profile

The word Chum Salmon comes from a judge named Chinook Jargon, meaning “stained” or “marked”, while the scientific name Ketati comes from the Eastern Siberian language of language through Russia.

The body of the chum salmon is deeper than most salmonid species. The anal fin has 12 to 20 rays, compared to most other species found in the Pacific, with a maximum of 12 of the European species.

The silverbrite salmon has a sea of ​​blue-green color, with some indistinguishable stains in darker shades and rather a pale belly.

When they move to freshwater, the color changes to olive green and the color of the stomach becomes deeper.

When a silverbrite salmon adult close to wandering, their bodies have purple blotchy lines near their childhood, darkening toward the tail.

A silverbrite salmon male usually grows a protruding snout or kype, their lower wings become stained with white and their teeth grow longer. Some researchers speculate that these characteristics are used in competition with peers.

chum salmon

Hatching

Male chum Salmon, Female Cham Salmon, and Female Pink Salmon.

Most chum salmon spawn in small streams and intertidal zones. Some chums travel over 3,200 kilometers (2,000 miles) over the Yukon River.

The chum salmon Fry Free Swimming sail the sea almost immediately between March and July.

They spend one to three years traveling very long distances in the ocean. These are the last salmon to spawn in some regions (November to January).

In Alaska, they were first born in June and August, followed by pink and chum salmon.

They die about two weeks after returning to dry water.

They exploit the lower tributaries of the reservoir, creating a nesting tendency called reddish, at the shallow end of the aquifer, and at the tail end of the deep pools, above the protected low pressure of the pebble.

A female chum salmon lays eggs in red, males spray eggs on eggs, and females cover eggs with pebbles. The female can lay 4000 eggs

Age

The chum salmon lives on average 5 to 7 years and the Alaska chum turns 5 years old.

Size

Adult chum salmon is usually 4.4 to 10.0 kg (9.7 to 22.0 lbs) with an average length of 60 cm (24 inches).

Record of the chum salmon was 19kg (42 pounds) and 112cm (44 inches) and was caught at Eddy Pass in British Columbia.

chum salmon

Distribution

Chum salmon has the largest natural range of any Pacific salmon and is the longest migration of the Oncorhynchus line up to the Yukon River and into the Amur River Basin in Asia.

In low numbers, they migrate several thousand kilometers above the Mackenzie River. In the North Pacific, kisses are found in Korea, Japan, and the Okhotsk and Bering Sea (Kamchatka, Chukotka, Kuril Islands, Sakhalin, Khabarovsk Krai, Primorsky Krai), British Columbia and Canada in Canada and California, the United States.

In the Arctic Ocean, they are found in limited numbers from the Laptev Sea to the Beaufort Sea. In

North America, chum salmon traveled south to Tillamook Bay, Oregon, from the Mackenzie River in the Arctic, though they were reported in the San Lorenzo River near Santa Cruz, California, and on the Sacramento River in northern California. In the 1950s.

In autumn 2017, a half-dozen chum salmon were counted on Lagunitas Creek, about 25 miles (40 kilometers) north of San Francisco, California.

The open sea chum salmon is fairly elevated in the water column, rarely sinking below 50 meters. Their general swimming depth is 13 m from the surface during the day and 5 m at night.

Diet

Juvenile skin eats zooplankton and insects. Recent studies have shown that they also eat chili jelly. As adults, they eat small fish

Commercial use and value

The total registered crop of cham salmon in the North Pacific was about 6,000 tonnes, which was equivalent to 3 million fish in the 21st.

Half of the catches are from Japan and about a quarter to Russia and the United States. According to the chum salmon crop weight was about 34% of the total crop of all the Pacific species.

Chum salmon is the least commercially priced salmon in North America. Despite the abundance in Alaska, commercial fishermen often choose not to fish for them because of their low market prices. Recent market developments have increased the demand for chum salmon.

In Japan and Northern Europe, markets of markets developed from 1 to 5, which increased demand. They are a traditional anesthetic source of dried salmon.

Save

The chum salmon of the two populations have been listed as threatened species in the Endangered Species Act.

These are the Hood Canal Summer Run population and the lower Columbia River population.

Susceptibility to disease

Chum salmon rot is thought to be fairly resistant to the disease, but it is unclear.

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