2014
DOI: 10.1590/s1679-62252014000100015
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Abstract: Monogamy is rare in fishes and is usually associated with elaborate parental care. When parental care is present in fishes, it is usually the male that is responsible, and it is believed that there is a relationship between the high energetic investment and the certainty of paternity (except in the case of sneaker males). Osteoglossum bicirrhosum is considered a monogamous fish, and has particular behavioral traits that permit the study of mating systems and parental care, such as male mouthbrooding. We invest… Show more

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Cited by 8 publications
(14 citation statements)
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References 41 publications
(42 reference statements)
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“…The different breeding seasons and sedentary nature of the species should result in a reduced gene flow between sub‐basins, hence inducing genetic structuring. Although microsatellite markers are available for the silver Arowana (Silva et al., ), they have only been used to test for multiple paternity in the species (Verba et al., ) and no population genetic study has thus far been carried out. Yet, as previously pointed out (Duponchelle et al., ), the growing concerns regarding O. bicirrhosum conservation (Moreau and Coomes, , ) emphasize the need for comparative life history and genetics studies at the inter‐ and intra‐basin levels (with on‐site sampling) in order to understand the population structuring of this species and to define appropriate management strategies.…”
Section: Discussionmentioning
confidence: 99%
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“…The different breeding seasons and sedentary nature of the species should result in a reduced gene flow between sub‐basins, hence inducing genetic structuring. Although microsatellite markers are available for the silver Arowana (Silva et al., ), they have only been used to test for multiple paternity in the species (Verba et al., ) and no population genetic study has thus far been carried out. Yet, as previously pointed out (Duponchelle et al., ), the growing concerns regarding O. bicirrhosum conservation (Moreau and Coomes, , ) emphasize the need for comparative life history and genetics studies at the inter‐ and intra‐basin levels (with on‐site sampling) in order to understand the population structuring of this species and to define appropriate management strategies.…”
Section: Discussionmentioning
confidence: 99%
“…The reproductive biology of the silver Arowana is relatively well described since the early studies of Goulding (, ) and Aragao (). Recently, patterns of reproductive investment were further investigated in the Mamirauá Reserve (Queiroz, ) and the potential role of male aggregations was explored (Verba et al., ). In Peru, its reproductive characteristics were studied in one lake of the Putumayo River (Cortegano et al., ) and further information also exists in unpublished dissertations (Ayala, ; Tang and Gomez Noriega, ).…”
Section: Introductionmentioning
confidence: 99%
“…Potential climatic niche for O. bicirrhosum and O. ferreirai were estimated for both species based on occurrence data for O. bicirrhosum (3 localities from the current study; 3 localities from Verba et al [55]; 54 localities from Species Link database, ; and 89 localities from the Global Biodiversity Information Facility—GBIF, ) and O. ferreirai (one locality from the current study; six localities from Queiroz and Camargo [9]; two localities from Species Link database; and 16 localities from GBIF). Models were constructed in biomod2 [56] with combination of nine distribution algorithms, including artificial neural networks (ANN; [57]), mixture discriminant analysis (MDA; [58]), multivariate adaptive regression splines (MARS; [59]), surface range envelop (SRE; [60]), classification tree analysis (CTA; [61]), generalized linear models (GLM; [62]), generalized boosted models (GBM; [63]), random forests [64], and maximum entropy (Maxent; [65]).…”
Section: Methodsmentioning
confidence: 99%
“…In contrast, Osteoglossum bicirrhosum are serially monogamous and form pairs every breeding season (Queiroz, 2008), indicating low risk of multipaternity and sperm competition. Nonetheless, another osteoglossid species, Arapaima gigas , constructs nests (Lüling, 1964), a behaviour associated with low sperm competition, and also exhibits multipaternity (Verba et al ., 2014), a feature associated with high sperm competition.…”
Section: Reproductive Behaviour and Parental Carementioning
confidence: 99%