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Search: authors:"Patricia Pérez-Barros"

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Absence of a prezygotic behavioural barrier to gene flow between the two sympatric morphs of the squat lobster Munida gregaria (Fabricius, 1793) (Decapoda: Anomura: Galatheidae)

Munida gregaria and M. subrugosa have been considered two different species for more than a century; however, after a recent molecular phylogenetic study, they are considered a single polymorphic species. Yet, the use of markers to diagnose species may be misleading when divergence between species is recent, since a speciation event may be obscured by the retention and stochastic...

Similar feeding habits of two morphs of Munida gregaria (Decapoda) evidence the lack of trophic polymorphism

Munida gregaria and M. subrugosa were originally described as two different species on the basis of several morphological characters, but recent studies evidenced that both former species constitute the same biological species, so hereafter they are referred to as two morphs of M. gregaria: `gregaria' and `subrugosa'. Notwithstanding their synonimization, the occurrence of two...