Diversity of flora and fauna in low-value bycatch from bottom trawls in Palk Bay, south-east coast of India

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Analysis of low-value bycatch shows high species diversity in Palk Bay, highlighting the need for better fisheries management.

Low-value bycatch in Palk Bay includes 181 species from 142 genera, indicating high biodiversity in the area.
Teleosts represent 45.9% of the bycatch, while crabs and shrimp follow significantly behind in abundance.
Samples were collected using a stratified random sampling technique at three landing centers along the Palk Bay coast.
Ecological instability may arise with increased low-value bycatch, underscoring the need for sustainable fisheries practices.

Rajkumar et al. (2025) studied this question.

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