Costly signaling and torch fishing on Ifaluk atoll |
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| Affiliation: | 1. CNR–IAMC, National Research Council, Institute for Coastal Marine Environment, Località Sa Mardini, Torregrande 09072, Oristano, Italy;2. EA 7316, Université de Rennes 1, Campus de Beaulieu, Av. du Gl Leclerc, Bat. 25, 35042 Rennes Cedex, France;3. CNRS, UMR 9190, Place E. Bataillon, University of Montpellier, Montpellier 34000, France;4. Littoral, Environnement et SociétéS (LIENSs), Université de La Rochelle, UMR 7266 CNRS-ULR, 2 rue Olympe de Gouges, 17000 La Rochelle Cedex, France;5. CRESCO, MNHN, 38 rue du port blanc, 35800 Dinard, France;1. Institute of Geosciences, University of Mainz, Johann-Joachim-Becher-Weg 21, 55128 Mainz, Germany;2. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Alten Hafen 26, 27568 Bremerhaven, Germany;3. Institute of Environmental Physics and Marum, University of Bremen, Bremen, Germany;4. ING PAN - Institute of Geological Sciences Polish Academy of Sciences, Research Center in Kraków, Senacka 1, 31-002 Kraków, Poland;1. Department of Archaeology, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa;2. Research Laboratory for Archaeology and History of Art, University of Oxford, South Parks Road, Oxford OX1 3QY, United Kingdom;1. Marine Research Institute and Department of Biological Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa;2. International Ocean Institute – Southern Africa, 18 CBC Building, SANBI, Kirstenbosch, Newlands 7707, South Africa;3. Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, Private Bag X2 Rogge Bay 8012, South Africa; and Marine Research Institute and Department of Biological Sciences, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa;4. UMR Marbec IRD-UM-CNRS-Ifremer, Université Montpellier, Place E. Bataillon, 34095 Montpellier Cedex5, France |
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| Abstract: | In this paper I evaluate the merit of costly signaling theory (CST) as a paradigm for understanding why men of Ifaluk atoll torch fish. I argue that torch fishing is a handicap that signals men's productivity. Consistent with CST, torch fishing is observed by the predicted audience (women), energetically costly to perform, and a reliable indicator of the frequency a man fishes during the trade wind season. Contrary to expectations of who should benefit from torch fishing and consequently participate, torch fishers are not primarily young and unmarried. Torch fishers, however, are predominately from the matriline that owns the canoe on which they fish, suggesting that torch fishing also signals the productivity of a matriline. Although these results support the possibility that torch fishing is a handicap, no data are presented which demonstrate that torch fishers achieve any gains from sending the costly signal. This shortcoming and other directions for future research on Ifaluk foraging decisions are discussed. |
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