What question did this study set out to answer?

The aim is to assess the stock status of Indian mackerel using two catch-based methods and recommend management strategies.

March 6, 2026Scientific ReportsOpen Access

Application of data-limited methods to assess stock status and recommend management for Indian mackerel (Rastrelliger kanagurta) in Bangladesh coastal waters

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Data-limited methods evaluate stock status of Indian mackerel, suggesting management actions for sustainability.

The aim is to assess the stock status of Indian mackerel using two catch-based methods and recommend management strategies.
Employed Depletion-Based Stock Reduction Analysis (DB-SRA) and Catch-Maximum Sustainable Yield (CMSY)
Updated life-history estimates through length-based approaches
Conducted sensitivity tests and projections for model predictions
Estimated life-history parameters including maximum length and growth rate
Current spawning potential ratio (SPR) is 17%, indicating a concerning level of stock spawning capacity
Over 50% of catches are below maturity level
Recommended an optimum length limit of 18-22 cm to address overfishing
Proposed an annual catch limit of 1500 mt to maintain the overfished biomass towards optimal levels

Barua et al. (2026) studied this question.

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