Predation cost of a sexual signal in the threespine stickleback | Zendy

Sini Johnson | Zendy; Ulrika Candolin | Zendy

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Predation cost of a sexual signal in the threespine stickleback

Author(s) -

Sini Johnson,

Ulrika Candolin

Publication year - 2017

Publication title -

behavioral ecology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.162

H-Index - 118

eISSN - 1465-7279

pISSN - 1045-2249

DOI - 10.1093/beheco/arx080

Subject(s) - stickleback , biology , gasterosteus , predation , sexual selection , predator , aposematism , zoology , population , ecology , natural selection , honesty , fish <actinopterygii> , fishery , social psychology , psychology , demography , sociology

Lay SummaryThe factors that limit sexual signal expression and ensure honest signaling of mate quality are poorly known. We show that predation risk is a cost of the sexually selected red coloration of the threespine stickleback and, hence, could contribute to signal honesty. A common predator selectively preys on colorful stickleback males in the field, and an experimental study showed that the bright coloration attracts the predator independent of the behavior of the male.

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