Abstract
AbstractThe monkey goby Neogobius fluviatilis is an invasive Ponto-Caspian fish that enters habitats of the native gudgeon Gobio gobio in European freshwaters, likely belonging to the same prey guild. Their abilities to detect and avoid predation have been poorly understood, although these traits may contribute to the competitive advantage and drive the invasion success of the goby. We tested intra- and interspecific responses of fish from sympatric populations to damage-released alarm cues (skin extract) in laboratory. Both species of fish responded to conspecific and heterospecific cues, but their responses to conspecifics were more diverse (changed social distancing among individuals, reduced vertical and horizontal movement) than those elicited by heterospecifics (changed social distancing only). Moreover, the fish differed in their anti-predation behaviour: the gudgeon increased whilst the monkey goby decreased inter-individual distances and only the gudgeon exhibited thigmotaxis and reduced mobility in response to the conspecific cues. Interspecific differences show that the species exhibit distant anti-predation strategies. This might be associated with their phylogenetic distance and/or higher differentiation of their ecological niches than commonly assumed. Besides, our results suggest that alien species be included in the interspecific exchange of information in local fish assemblages.
Publisher
Springer Science and Business Media LLC
Reference90 articles.
1. Allan, J. D., 1982. The effects of reduction in trout density on the invertebrate community of a mountain stream. Ecology 63: 1444–1455.
2. Anderson, K. A. & A. Mathis, 2016. Friends in low places: responses of a benthic stream fish to intra-prey-guild alarm cues. Ethology 122: 954–962.
3. Bănărescu, P. M., V. M. Sorić & P. S. Economidis, 1999. Gobio gobio (Linnaeus, 1758) In Bănărescu, P. M. (ed), The Freshwater Fishes of Europe Vol. 5/I. Cyprinidae 2. Part 1 Rhodeus to Capoeta AULA-Verlag, Wiebelsheim: 81–134.
4. Barbosa-Júnior, A., E. J. Magalhães, A. Hoffmann & L. M. Ide, 2010. Conspecific and heterospecific alarm substance induces behavioral responses in piau fish Leporinus piau. Acta Ethologica 13: 119–126.
5. Barton, D. R., R. A. Johnson, L. Campbell, J. Petruniak & M. Patterson, 2005. Effects of round gobies (Neogobius melanostomus) on dreissenid mussels and other invertebrates in Eastern Lake Erie, 2002–2004. Journal of Great Lakes Research 31: 252–261.
Cited by
6 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献