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Population genetics and evolution of the mangrove rivulus Kryptolebias marmoratus,the world's only self‐fertilizing hermaphroditic vertebrate
Authors:J C Avise  A Tatarenkov
Institution:Department of Ecology and Evolutionary Biology, University of California, Irvine, CA 92697, U.S.A.
Abstract:The mangrove rivulus, Kryptolebias marmoratus (Rivulidae, Cyprinodontiformes), is phylogenetically embedded within a large clade of oviparous (egg laying) and otherwise mostly gonochoristic (separate sex) killifish species in the circumtropical suborder Aplocheiloidei. It is unique in its reproductive mode: K. marmoratus is essentially the world's only vertebrate species known to engage routinely in self‐fertilization as part of a mixed‐mating strategy of selfing plus occasional outcrossing with gonochoristic males. This unique form of procreation has profound population‐genetic and evolutionary‐genetic consequences that are the subject of this review.
Keywords:androdioecy  mixed mating  outcrossing  phylogeny  population structure  selfing
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