caa a22 4500 606226591 CHVBK 20210128101153.0 cr unu---uuuuu 210128e20150101xx s 000 0 eng 10.1007/s10641-014-0268-1 doi (NATIONALLICENCE)springer-10.1007/s10641-014-0268-1 All that glitters is not gold: different anti-predatory behavior of two color morphs of goldfish ( Carassius auratus ) [Elektronische Daten] [M. Katz, Z. Abramsky, B. Kotler, M. Rosenzweig, O. Alteshtein] The foraging behavioral responses of individuals from two color morphs of the common goldfish (Carassius auratus) to a foraging predator, the little egret (Egretta garzetta) were tested in two artificial theaters, each containing three fish ponds. Each pond contained two distinct microhabitats for the fish: 1. A safe microhabitat: a sheltered area under an opaque cover at the center of the pool providing a refuge but no food. 2. A risky microhabitat: the rest of the pool area, where the fish could feed but were exposed to predation by egrets. This experimental design forced the goldfish to trade off food and safety, and to manage risk via time allocation to each microhabitat. The foraging behavioral responses of the gold variant and the bronze variant goldfish, one morph at a time, were quantified. In the presence of an egret, bronze morph fish spent significantly more time out of cover and more fish emerged from under the cover at any given time than did the gold morph fish. Despite the greater exposure of bronze morph fish, they were captured significantly less often by the egrets. These findings strongly suggest that differently colored fish may perceive predation risk differently, trade off food and safety differently, and may have different susceptibility to predators. Our results show that color variation in goldfish may affect both foraging behavior and anti-predatory behavior. Springer Science+Business Media Dordrecht, 2014 Foraging behavior nationallicence Optimal foraging nationallicence Predator-prey interactions nationallicence Color polymorphism nationallicence Katz M. Department of Life Sciences, Ben-Gurion University of the Negev, P.O.B 653, 84105, Beer-Sheva, Israel aut Abramsky Z. Department of Life Sciences, Ben-Gurion University of the Negev, P.O.B 653, 84105, Beer-Sheva, Israel aut Kotler B. The Jacob Blaustein Institute for Desert Research, Mitrani Department of Desert Ecology, Ben-Gurion University of the Negev, Midreshet Ben-Gurion, 84990, Sede Boqer, Israel aut Rosenzweig M. Department of Ecology & Evolutionary Biology, University of Arizona, P.O.B 210088, 85721, Tucson, AZ, USA aut Alteshtein O. Department of Life Sciences, Ben-Gurion University of the Negev, P.O.B 653, 84105, Beer-Sheva, Israel aut Environmental Biology of Fishes Springer Netherlands 98/1(2015-01-01), 377-383 0378-1909 98:1<377 2015 98 10641 https://doi.org/10.1007/s10641-014-0268-1 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10641-014-0268-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Katz M. Department of Life Sciences, Ben-Gurion University of the Negev, P.O.B 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 700 1- Abramsky Z. Department of Life Sciences, Ben-Gurion University of the Negev, P.O.B 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 700 1- Kotler B. The Jacob Blaustein Institute for Desert Research, Mitrani Department of Desert Ecology, Ben-Gurion University of the Negev, Midreshet Ben-Gurion, 84990, Sede Boqer, Israel aut NATIONALLICENCE 700 1- Rosenzweig M. Department of Ecology & Evolutionary Biology, University of Arizona, P.O.B 210088, 85721, Tucson, AZ, USA aut NATIONALLICENCE 700 1- Alteshtein O. Department of Life Sciences, Ben-Gurion University of the Negev, P.O.B 653, 84105, Beer-Sheva, Israel aut NATIONALLICENCE 773 0- Environmental Biology of Fishes Springer Netherlands 98/1(2015-01-01), 377-383 0378-1909 98:1<377 2015 98 10641