Investigation of Foraging Behavior and Food Detection in the Freshwater Snail: Rivomarginella morrisoni (Gastropoda, Marginellidae) - A Laboratory Case Study

2025 · doi:10.3897/arphapreprints.e153934
preprint OA: closed CC-BY-4.0
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Abstract

This study investigates the foraging behavior and food detection mechanisms of Rivomarginella morrisoni , a freshwater snail endemic to Thailand. Snails from four river basins in Central Thailand were observed under controlled conditions to assess daily activity patterns, food preferences, sensory reliance, and the effects of light and darkness on locomotion. Results revealed nocturnal foraging behavior, a strong preference for shrimp over fish and marsh snails, and greater consumption of aged shrimp than fresh or decayed shrimp. Light and darkness preference experiments revealed no significant effect on locomotion behavior, while chemosensory tests confirmed attraction to food-related chemical cues. Visual detection played a minimal role. These findings highlight the species' reliance on chemosensory cues and provide a foundation for future ecological and conservation research.
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Preprint ARPHA Preprints https://doi.org/10.3897/arphapreprints.e153934 (26 Mar 2025) https://doi.org/10.3897/arphapreprints.e153934 (26 Mar 2025) Other versions: - Preprint InfoPreprint Info - CiteCite - MetricsMetrics - CommentComment - RelatedRelated - CitedCited ARPHA Preprints doi: 10.3897/arphapreprints.e153934 First posted 26 Mar 2025 Authors King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand Burapha University, Chonburi, Thailand Burapha University, Bangsaen, Thailand Supattra Poeiam - Corresponding author King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand Conflict of interest The authors have declared that no competing interests exist. Supporting agencies This research was funded by the Research Assistant/Teaching Assistant Scholarship of the School of Science, KMITL. Grant number: RA/TA-2564-D-001. This is an open access preprint distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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License: CC-BY-4.0