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Wiley InterScience | |||||||||||
  Ecology of Freshwater FishVolume 15 Issue 2, Pages 139 - 145 Published Online: 1 Jun 2006 © 2009 John Wiley & Sons A/S
Abstract | References | Full Text: HTML, PDF (Size: 167K) | Related Articles | Citation Tracking  Population consequences of behaviour in the European bitterling (Rhodeus sericeus Cyprinidae) Copyright 2006 The Authors Journal compilation 2006 Blackwell Munksgaard KEYWORDS juvenile • male–male competition • model • oviposition choice • population dynamics • territoriality Smith C, Reichard M, Douglas A, Jurajda P. Population consequences of behaviour in the European bitterling (Rhodeus sericeus Cyprinidae). Ecology of Freshwater Fish 2006: 15: 139–145. © Blackwell Munksgaard, 2006 ABSTRACTAbstract – The European bitterling is a freshwater fish with an unusual spawning symbiosis with freshwater mussels. Female bitterling possess long ovipositors that they use to place their eggs onto the gills of a mussel. Males fertilise the eggs by releasing sperm into the inhalant siphon of the mussel. The embryos develop inside the mussel for approximately a month, eventually leaving the mussel as actively swimming larvae. Because they use a discrete spawning site that can be readily manipulated they represent an ideal model for linking reproductive decisions with population dynamics. Bitterling have been used in field and large-scale pool experiments, in combination with modelling and population and genetic studies to investigate the population consequences of behaviour. Here we show how male mating tactics, female mate and oviposition decisions, and aggressive interference competition among juveniles, may have significant impacts on bitterling population size and population genetics. Accepted for publication December 10, 2005 | 
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