Question:
A batch of fish, all approximately the same age belonging to the same stock is referred to as
A batch of fish, all approximately the same age belonging to the same stock is referred to as
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Cohort = same age group/spawning year-class.
Virtual population = an estimation of past population sizes based on commercial catch-at-age data.
Virtual population = an estimation of past population sizes based on commercial catch-at-age data.
Updated On: Aug 20, 2026
- Species
- Population
- Cohort
- Virtual population
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept:
Fisheries biologists categorize groups of fish based on genetic, temporal, and spatial features to facilitate mathematical modeling.
Step 2: Detailed Explanation:
A cohort is defined as a group (or batch) of fish born during the same spawning season, belonging to the same stock, and thus sharing approximately the same age.
Cohort analysis tracking is highly useful for determining mortality and growth rates.
Step 3: Final Answer:
The correct term is Cohort, which corresponds to option (C).
Fisheries biologists categorize groups of fish based on genetic, temporal, and spatial features to facilitate mathematical modeling.
Step 2: Detailed Explanation:
A cohort is defined as a group (or batch) of fish born during the same spawning season, belonging to the same stock, and thus sharing approximately the same age.
Cohort analysis tracking is highly useful for determining mortality and growth rates.
Step 3: Final Answer:
The correct term is Cohort, which corresponds to option (C).
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