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Consider the following statements regarding Chum salmon:
- It hatches in freshwater streams and then migrates out to the saltwater environment.
- It is mainly found in the Indian Ocean region.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements regarding Chum salmon: It hatches in...
The correct answer is option 'A' - 1 only.
Explanation:
Chum salmon, also known as Oncorhynchus keta, is a species of salmon that is found in the Pacific Ocean. Let's analyze each statement given in the question:
1. It hatches in freshwater streams and then migrates out to the saltwater environment.
- This statement is correct. Chum salmon undergo a life cycle that involves spawning in freshwater streams or rivers. The female salmon lays her eggs in a nest called a redd, which is typically located in gravel beds in freshwater streams. Once the eggs hatch, the young salmon, known as fry, spend a period of time in the freshwater habitat, growing and developing. Eventually, they undergo a physiological transformation and migrate downstream to the ocean, where they spend the majority of their adult lives. This migration from freshwater to saltwater is a characteristic behavior of many salmon species, including chum salmon.
2. It is mainly found in the Indian Ocean region.
- This statement is incorrect. Chum salmon is primarily found in the Pacific Ocean, particularly in the northern parts of the Pacific, including the coastal regions of North America and Asia. The distribution of chum salmon spans from the Bering Sea and the Arctic Ocean to the north, down to the Sea of Japan and the Korean Peninsula, and further south to the coasts of California and Oregon in North America. Chum salmon is not found in the Indian Ocean region.
In conclusion, only statement 1 is correct, and statement 2 is incorrect. Chum salmon indeed hatches in freshwater streams and then migrates out to the saltwater environment, but it is primarily found in the northern parts of the Pacific Ocean and not in the Indian Ocean region.
Explanation:
Chum salmon, also known as Oncorhynchus keta, is a species of salmon that is found in the Pacific Ocean. Let's analyze each statement given in the question:
1. It hatches in freshwater streams and then migrates out to the saltwater environment.
- This statement is correct. Chum salmon undergo a life cycle that involves spawning in freshwater streams or rivers. The female salmon lays her eggs in a nest called a redd, which is typically located in gravel beds in freshwater streams. Once the eggs hatch, the young salmon, known as fry, spend a period of time in the freshwater habitat, growing and developing. Eventually, they undergo a physiological transformation and migrate downstream to the ocean, where they spend the majority of their adult lives. This migration from freshwater to saltwater is a characteristic behavior of many salmon species, including chum salmon.
2. It is mainly found in the Indian Ocean region.
- This statement is incorrect. Chum salmon is primarily found in the Pacific Ocean, particularly in the northern parts of the Pacific, including the coastal regions of North America and Asia. The distribution of chum salmon spans from the Bering Sea and the Arctic Ocean to the north, down to the Sea of Japan and the Korean Peninsula, and further south to the coasts of California and Oregon in North America. Chum salmon is not found in the Indian Ocean region.
In conclusion, only statement 1 is correct, and statement 2 is incorrect. Chum salmon indeed hatches in freshwater streams and then migrates out to the saltwater environment, but it is primarily found in the northern parts of the Pacific Ocean and not in the Indian Ocean region.
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Community Answer
Consider the following statements regarding Chum salmon: It hatches in...
Scientists have recently discovered that Chum salmon, a migrating fish have been spawning in the Arctic waters.
- It is a species of anadromous salmonid fish, which means they hatch in freshwater streams and rivers and then migrate out to the saltwater environment of the ocean to feed and grow.
- They do not reside in fresh water for an extended period.
- They are also known as dog salmon.
- Distribution
- They are the most widely distributed of all the Pacific salmon.
- They are found throughout the North Pacific Ocean and range from the Arctic coast of Canada and throughout the northern coastal regions of North America and Asia.
- Habitat
- They spend their early life growing and feeding in fresh water streams, estuaries, and associated wetlands.
- They spend the remainder of their life foraging in the ocean before returning to the streams and tributaries where they were born to spawn.
Hence only statement 1 is correct.
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Consider the following statements regarding Chum salmon: It hatches in freshwater streams and then migrates out to the saltwater environment. It is mainly found in the Indian Ocean region.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'A'. Can you explain this answer?
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