Novalina Serdiati, Diana Arfiati, Maheno Sri Widodo, Tri Djoko Lelono, Samliok Ndobe, Kasim Mansyur, Abigail Mary Moore
Introduction: The endemic fishes of the ancient lakes of Sulawesi are under increasing threat. Objective: To evaluate the data and information available from a holistic management perspective and to formu-late measures to conserve the endemic ricefish Oryzias nigrimas in Poso Lake, Indonesia. Methods: Collection of primary data from three stations around Lake Poso and literature study. Results: Threats to O. nigrimas include habitat degradation and loss, introduced alien species, and exploitation as a locally important food fish. Options to promote sustainable fisheries management include spatial and temporal limitations to minimise catch of gravid or brooding fish. Habitat protection should include measures to minimise impacts from activities which can reduce water quality and disturb or kill aquatic vegetation. Conclusion: Measures to prevent further O. nigrimas population decline are considered urgent and further research is recommended to fill identified knowledge gaps. Ex-situ conservation, including the development of captive breeding, could also contribute to a holistic O. nigrimas conservation strategy. © 2021, Universidad de Costa Rica. All rights reserved.
Tadulako University, Palu, Central Sulawesi, Indonesia; Department of Aquatic Resources Management, Brawijaya University, Malang, Indonesia; Department of Utilization of Fisheries and Marine Resources, Brawijaya University, Malang, Indonesia; Postgraduate School, Hasanuddin University, Makassar, South Sulawesi, Indonesia
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