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Monogamy in a Hyper-Symbiotic Shrimp

Baeza, J Antonio ; Simpson, Lunden ; Ambrosio, Louis J ; Guéron, Rodrigo ; Mora, Nathalia Schausberger, Peter

PloS one, 2016-03, Vol.11 (3), p.e0149797-e0149797 [Periódico revisado por pares]

United States: Public Library of Science

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Título:
Monogamy in a Hyper-Symbiotic Shrimp
Autor: Baeza, J Antonio ; Simpson, Lunden ; Ambrosio, Louis J ; Guéron, Rodrigo ; Mora, Nathalia
Schausberger, Peter
Assuntos: Animal behavior ; Animal reproduction ; Animals ; Behavior ; Biological Evolution ; Biology and Life Sciences ; Crustacea ; Crustaceans ; Decapoda (Crustacea) - physiology ; Earth Sciences ; Ecology and Environmental Sciences ; Embryos ; Female ; Females ; Hypotheses ; Male ; Males ; Mantle cavity ; Mating ; Medicine and Health Sciences ; Monogamy ; Ostreidae - physiology ; Oysters ; Physiological aspects ; Pontonia manningi ; Predation ; Predatory Behavior - physiology ; Pseudopterogorgia ; Pteria colymbus ; Sexual Behavior, Animal - physiology ; Shrimps ; Shrimps (Animals) ; Studies ; Symbiosis - physiology ; Tropical environment ; Tropical environments
É parte de: PloS one, 2016-03, Vol.11 (3), p.e0149797-e0149797
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
Conceived and designed the experiments: JAB LJA LS. Performed the experiments: JAB LJA LS NM RG. Analyzed the data: JAB LJA LS. Contributed reagents/materials/analysis tools: JAB. Wrote the paper: JAB LJA LS.
Competing Interests: The authors have declared that no competing interests exist.
Descrição: Theory predicts that monogamy is adaptive in resource-specialist symbiotic crustaceans inhabiting relatively small and morphologically simple hosts in tropical environments where predation risk away from hosts is high. We tested this prediction in Pontonia manningi, a hyper-symbiotic shrimp that dwells in the mantle cavity of the Atlantic winged oyster Pteria colymbus that, in turn, infects gorgonians from the genus Pseudopterogorgia in the Caribbean Sea. In agreement with theory, P. manningi were found dwelling as heterosexual pairs in oysters more frequently than expected by chance alone. Males and females also inhabited the same host individual independent of the female gravid condition or of the developmental stage of brooded embryos. While the observations above argue in favor of monogamy in P. manningi, there is evidence to suggest that males of the studied species are moderately promiscuous. That females found living solitary in oysters most often brooded embryos, and that males allocated more to weaponry (major claw size) than females at any given size suggest that males might be roaming among host individuals in search of and, fighting for, receptive females. All available information depicts a rather complex mating system in P. manningi: primarily monogamous but with moderately promiscuous males.
Editor: United States: Public Library of Science
Idioma: Inglês

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Monogamy in a Hyper-Symbiotic Shrimp

Baeza, J Antonio ; Simpson, Lunden ; Ambrosio, Louis J ; Guéron, Rodrigo ; Mora, Nathalia Schausberger, Peter

United States: Public Library of Science

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