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November 16, 2025Aquaculture Fish and FisheriesOpen Access

Bait Management and Depth‐Based Catch Distribution of Economically Important Marine Crabs in the Visayan Sea, Philippines

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Authors

AMAngelo C. MacarioABAlexander J. BalsomoTTTakeshi Tomiyama

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Overview

Field experiments show that using salted fish increases catch size of crabs in the Philippines, suggesting improved fishing practices.

Key Points

  • This study aimed to evaluate the impact of bait type, quantity, and depth on crab catch and bycatch in the Visayan Sea.
  • Field experiments with five bait treatments including salted fish and fresh fish.
  • Comparison of bait quantities (40 g vs 20 g) in crab pot fisheries.
  • Depth sampling from 1 to 21 m using 20 g salted fish baits.
  • Using salted fish significantly increased the catch and size of Portunus pelagicus.
  • Fresh fish could be substituted with salted fish where refrigeration is limited.
  • Higher bycatch was attracted by chicken intestines, and catch size of crabs increased with depth.

Cite This Study

Macario et al. (2025) studied this question.

synapsesocial.com/papers/692509ffc0ce034ddc353335https://doi.org/10.1002/aff2.70140
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