Alaskan Pollock Fish is a type of fish in the Pollock family found in the North Pacific. These fish are approximately 8-12 inches and consume small baitfish that live near their habitat. They can be found around the Pacific Northwest.
They swim in schools and are an important forage for fish like cod, perch, herring, smelt, kokanee salmon, that are all common within their territory.
Alaskan Pollock Fish have a white underbelly with a brown or tan back-stripe, light to medium olive green sides and red fins on the back half of its body.
Alaskan Pollock Fish Characteristics
Here are the Bests 10 Characteristics of Alaskan Pollock Fish
1. The dorsal fin on the back of this fish starts behind the gills and extends to the tail. There is a dark spot just behind the gill and it is referred to as a cape. The dorsal fin starts on the back half and ends on the bottom of the fish.
2. The Alaskan Pollock Fish has large, strong teeth that have serrated edges that are used for capturing and eating small prey such as krill. The teeth are used to break the krill into smaller pieces.
3. The color of the Alaskan Pollock Fish is dark olive green with a lighter green belly and silver gray sides. The sides of the fish are pale gray with a silvery stripe that runs from behind the eye, down to the tail fin.
Green halos run from behind each eye back toward the gills. White stripes run down each side of its body behind its gills and on its lower half to its caudal fin.
4. The Alaskan Pollock Fish reach up to 12 inches in length and weigh up to 2 pounds, although the average size is a little smaller than that. They have a long life span, with some fish living up to 15 years or more.
5. The Alaskan Pollock Fish is found in scattered areas of the North Pacific near the coast of Japan and Korea, all the way down to California and all along the Pacific coast of Canada and Alaska.
6. Alaskan Pollock Fish are a main food source for a wide variety of North Pacific fish. They are found in deep, cold water, which allows them to survive the winter months and warm up again in the spring and summer.
The fish are adapted to tolerate higher temperatures than other fish, which helps them reach their destination to feed on the waves of krill that rise above the surface.
7. The diet of Alaskan Pollock Fish is composed of krill and plankton, which is their main food source. They eat anything that they can catch in the water column. They prefer smaller prey such as shrimps, krill, clams and small fish.
8. The Alaskan Pollock Fish has a social structure, where two different types of schools are found: the vertical school and the dispersed schools.
9. The vertical schools are found when the fish are in deep, cold water. They stay close to the bottom and swim in a straight line at one another. Their silvery sides means they can easily be seen from above water.
10. The dispersed schools are found when the fish are located near shallower waters or near rocky areas where they can hide better and where there is more food that they can find to feed on.
Alaskan Pollock Fish History
The Alaskan Pollock Fish’s life cycle begins with the spawning season which happens in June. The adult pollock then dies and the young pollock form schools that travel to the Gulf of Alaska. During this period, the young pollocks consume small fish.
The group continues to grow into adulthood for about two years until they reach about seven inches long. At this point, the young Alaskan Pollock Fish are considered sexually mature and are at their prime size for commercial fishing.
The appearance of Alaskan Pollock Fish
The Alaskan Pollock Fish has a white underbelly with a brown or tan backstripe, light to medium olive green sides and red fins on the back half of its body.
Alaskan Pollock Fish Origin
Pollock were originally brought to Alaska by the Russians in the late 18th century. It is now a part of the state’s economic system.
In fact, fishing for them has made Alaska one of the wealthiest states in the country with $3 billion in annual revenue from pollock fishing alone
Life spam of Alaskan Pollock Fish
The Alaskan Pollock Fish’s life cycle begins with the spawning season which happens in June. The adult pollock then dies and the young pollock form schools that travel to the Gulf of Alaska. During this period, the young pollocks consume small fish.
What kinds of habitat do these fish live in?
Alaskan Pollock Fish live in scattered areas of the North Pcific near the coast of Japan and Korea, all the way down to California and all along the Pacific coast of Canada and Alaska.
What do these fish eat?
The diet of Alaskan Pollock Fish is composed of krill and plankton, which is their main food source. They eat anything that they can catch in the water column. They prefer smaller prey such as shrimps, krill, clams and small fish.
How do these fish reproduce?
The Alaskan Pollock Fish has a social structure, where two different types of schools are found: the vertical school and the dispersed schools.
The vertical school is found when the fish are in deep, cold water. They stay close to the bottom and swim in a straight line at one another.
Their silvery sides means they can easily be seen from above water. The dispersed schools are found when the fish are located near shallower waters or near rocky areas where they can hide better and where there is more food that they can find to feed on.
Conclusion
Alaskan Pollock Fish are a main food source for a wide variety of North Pacific fish. They are found in deep, cold water, which allows them to survive the winter months and warm up again in the spring and summer.
The fish are adapted to tolerate higher temperatures than other fish, which helps them reach their destination to feed on the waves of krill that rise above the surface.Thank you for reading this article about “Alaskan Pollock Fish”“.You can read other article.
