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Université de Fribourg

Sex-specific responses to fecundity selection in the broad-nosed pipefish

Winkler, Jasmin D. ; Stölting, Kai N. ; Wilson, Anthony B.

In: Evolutionary Ecology, 2011, p. -

Fecundity selection, acting on traits enhancing reproductive output, is an important determinant of organismal body size. Due to a unique mode of reproduction, mating success and fecundity are positively correlated with body size in both sexes of male-pregnant Syngnathus pipefish. As male pipefish brood eggs on their tail and egg production in females occurs in their ovaries (located in the trunk...