Egg viability decreases rapidly with time since ovulation in the rainbow darter Etheostoma caeruleum: implications for the costs of choosiness

R. L. Moran, R. M. Soukup, M. Zhou, R. C. Fuller

Research output: Contribution to journalArticlepeer-review

Abstract

Egg viability in the rainbow darter Etheostoma caeruleum, a fish apparently lacking female mate choice, was found to decline rapidly after ovulation. It was observed that the majority of a female's clutch may fail to hatch if she is prevented from mating for as little as 6 h. These data suggest that exercising female mate preferences may be selectively disfavoured in E. caeruleum due to the high cost of delaying mating.

Original languageEnglish (US)
Pages (from-to)532-536
Number of pages5
JournalJournal of Fish Biology
Volume92
Issue number2
DOIs
StatePublished - Feb 1 2018

Keywords

  • Etheostoma caeruleum
  • egg overripening
  • female mate choice
  • mate choice cost
  • rainbow darter

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

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