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Egyptian Journal of Aquatic Biology and Fisheries
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et al., A. (2024). Filtration Rates and Pseudofaeces Production of the Mud Clam, Geloina expansa (Mousson 1849) (Bivalvia: Cyrenoididae) at Increasing Salinity Concentrations. Egyptian Journal of Aquatic Biology and Fisheries, 28(4), 1469-1478. doi: 10.21608/ejabf.2024.374304
Argente et al.. "Filtration Rates and Pseudofaeces Production of the Mud Clam, Geloina expansa (Mousson 1849) (Bivalvia: Cyrenoididae) at Increasing Salinity Concentrations". Egyptian Journal of Aquatic Biology and Fisheries, 28, 4, 2024, 1469-1478. doi: 10.21608/ejabf.2024.374304
et al., A. (2024). 'Filtration Rates and Pseudofaeces Production of the Mud Clam, Geloina expansa (Mousson 1849) (Bivalvia: Cyrenoididae) at Increasing Salinity Concentrations', Egyptian Journal of Aquatic Biology and Fisheries, 28(4), pp. 1469-1478. doi: 10.21608/ejabf.2024.374304
et al., A. Filtration Rates and Pseudofaeces Production of the Mud Clam, Geloina expansa (Mousson 1849) (Bivalvia: Cyrenoididae) at Increasing Salinity Concentrations. Egyptian Journal of Aquatic Biology and Fisheries, 2024; 28(4): 1469-1478. doi: 10.21608/ejabf.2024.374304

Filtration Rates and Pseudofaeces Production of the Mud Clam, Geloina expansa (Mousson 1849) (Bivalvia: Cyrenoididae) at Increasing Salinity Concentrations

Article 90, Volume 28, Issue 4, July and August 2024, Page 1469-1478  XML PDF (665.27 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2024.374304
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Author
Argente et al.
Abstract
Knowledge on the optimum environmental conditions for a potential aquaculture species is necessary to simulate such situation in an artificial setting. Geloina expansa is an economically- and ecologically-important bivalve which thrives in brackishwater mangroves or Nypa zones. Fluctuating salinity conditions may possibly affect the filtering capacity of G. expansa. Laboratory experiment was conducted to determine the effect of salinity concentrations and body size on the filtration rate and pseudofaeces production of G. expansa. The results indicated that filtration rates of the clams significantly increased (P < 0.05) at low salinities (7- 15ppt). Moreover, salinity levels did not affect pseudofaeces production. Additionally, filtration and pseudofaeces production were not affected by body size. These findings are vital for the development of aquaculture techniques for G. expansa in the Philippines.
Keywords
Ecophysiology; Mollusks; Filter-feeders; Silt particles; Bohol
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