Fiddler crab
Escape of the fiddler crab Uca rapax (Smith, 1870) (Crustacea: Ocypodidae) in the state of Minas Gerais, Brazil
... A escape of the fiddler crab Uca rapax (Smith, 1870), in the state of Minas Gerais is reported for the first time. This record was made more than 200 km away from its original habitat, a mangrove area in ...
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Stereotypy and variation in the claw waving display of the fiddler crab Uca tangeri
... and 8 that the spatial components of waving are accounting for more inter-individual differences than the temporal ones. These differences may be due to specific individual constraints, such as claw weight and size, ...
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Comparison of the population structure of the fiddler crab Uca vocator (Herbst, 1804) from three subtropical mangrove forests
... Similar patterns of recruitment of the three pop- ulations suggest that larval release and development take place under similar conditions. Tidal water sup- ply and the location of each sampling site within their ...
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Gonad development in females of fiddler crab Uca rapax (Crustacea, Brachyura, Ocypodidae) using macro and microscopic techniques
... The fiddler crab Uca rapax (Smith, 1870) is one of the most abundant species, living in burrows excavated in coarse wet sediment in mangrove habitats along the northern coast of the state of São Paulo, ...
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Influence of natural settlement cues on the metamorphosis of fiddler crab megalopae, Uca vocator (Decapoda: Ocypodidae)
... decapod crab species accelerate their development time to metamorphosis (TTM) when exposed to natural physical and/or chemical cues characteristic of the parental ...the fiddler crab Uca vocator was ...
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The effect of eavesdropping on intrasexual interaction in male fiddler crab, uca maracoani (Latreille 1802-1803, decapoda, ocypodidae)
... male fiddler crabs, Uca ...no crab as ...male fiddler crabs interact and the type of displays they ...the fiddler crab behavior in terms of how they perform in order to send information ...
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The importance of considering small-scale variability in macrobenthic distribution: spatial segregation between two fiddler crab species (genus Leptuca) (Decapoda, Ocypodidae)
... for fiddler crabs: females and smaller males of Uca vocans prefer to burrow at lower intertidal levels, whereas larger males burrow at the upper levels (Murai et ...habitat. Fiddler crab larvae from ...
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Variation of Sediment Properties among the Radial Profiles of Fiddler Crab Burrows in Mangrove Ecosystem
... that fiddler crabs alter sediment grain size, porosity and water ...of fiddler crab burrow on carbon oxidation is limited to thin layers of burrow ...of fiddler crabs are unique sites within ...
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Temporal distribution in the abundance of the fiddler crab Uca (Leptuca) uruguayensis Nobili, 1901 (Decapoda: Ocypodidae) from Garças River mangrove, Guaratuba Bay, southern Brazil
... the fiddler crab Uca (Leptuca) uruguayensis was carried out in a population living in the Garças River mangrove, Guaratuba Bay, Paraná State, ...1,099 fiddler crabs were collected, being 529 males, ...
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Relative growth in the fiddler crab Uca leptodactyla Rathbun (Crustacea Decapoda Ocypodidae).
... cr crab cr ab ab ab ab Uca Uca Uca Uca Uca leptodactyla leptodactyla leptodactyla leptodactyla Rathb leptodactyla Rathb Rathb Rathb Rathbun un un un un (Cr (Cr (Crustacea (Cr (Cr ustacea ustacea ustacea ustacea ...
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Functions of mudballing behaviour in the european fiddler crab Uca tangeri
... of fiddler crab (genus Uca [Brachyura, Ocypodidae]) to be found in Europe, where it occurs on the southern coast of the Iberian peninsula (von Hagen 1962; Wolfrath ...1993). Fiddler crabs are well ...
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Human exploitation of male fiddler crab claws: Behavioural consequences and implications for conservation
... Male fiddler crabs have one of their feeding claws greatly enlarged, which may comprise up to 40% of their ...the fiddler crab Uca tangeri is a local ...the crab back into the mud- flat to ...
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Larval export strategy as an indication of ontogenetic migrations towards open sea of the fiddler crab Leptuca leptodactyla (Rathbun, in Rankin, 1898) (Crustacea, Ocypodidae) from Guaratuba Bay, southern Brazil
... On the other hand, other authors found supranumery larval stages in some species of fiddler crabs, even when the larvae were cultivated under favorable conditions (Anger et al., 1990[r] ...
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Relative growth in the fiddler crab Uca uruguayensis Nobili, 1901 (Brachyura, Ocypodidae) from Garças River mangrove, Guaratuba Bay, southern Brazil
... LMC was measured in 480 males, the AW in 566 females, and all crabs had the carapace width (CW) measured that was considered as the reference dimension for both sexes. The inflection point in the graphs between each the ...
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Visual ecology of the fiddler crab, Uca tangeri: Effects of sex,viewer and background on conspicuousness
... fiddler crab, Uca tangeri, with particular attention to predator ...including crab-made materials (e.g. mudballs). Avian-based and crab-based visual models were used to ob- tain different estimates of ...
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Determination of key environmental factors responsible for distribution patterns of fiddler crabs in a tropical mangrove ecosystem.
... of fiddler crabs can differ between adults and juveniles [6], the recruitment pattern may not determine the spatial distribution of ...of fiddler crabs is the result of interaction between physiological ...
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Global literature of fiddler crabs, genus Uca (Decapoda, Ocypodidae): trends and future directions
... RESUMO. Literatura global sobre caranguejos violinistas, gênero Uca (Decapoda, Ocypodidae): tendências e direções futuras. Caranguejos do gênero Uca Leach, 1814 são caracterizados por apresentarem forte dimorfismo sexual ...
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A localized PCR inhibitor in a porcelain crab suggests a protective role
... samples did not explain inhibition of PCR (Wilson, 1997; McBeath et al., 2006; Pan et al., 2008; Alaeddini, 2012). Firstly, NanoDrop measurements showed that the amounts of DNA in extracted foregut samples compared to ...
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Characterization of oxidative stress biomarkers in a freshwater anomuran crab
... Changes in biomarkers can also be influenced by abiotic factors such as water temperature, pH and dissolved oxygen content (Sroda and Cossu-Leguille, 2011 ). The water temperature is a major factor affecting ...
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Shell occupation by the endemic western Atlantic hermit crab
... hermit crab species in the Caraguatatuba region, such as Dardanus insignis (Saussure, 1858), Pagurus exilis (Benedict, 1892) and Loxopagurus loxochelis (Moreira, 1901), and that were registered frequently at 15-20 ...
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