Fiddler crabs
Fiddler crabs impact the structure of the benthic macroinvertebrate community and the spatial distribution of foraging shorebirds in tropical intertidal mudflats
... of fiddler crabs are likely not the only factors affecting macroinvertebrate and shorebird ...Larger crabs dig deeper and wider borrows (Lim & Diong, 2003), meaning that larger individuals will ...
42
Determination of key environmental factors responsible for distribution patterns of fiddler crabs in a tropical mangrove ecosystem.
... to reduce metabolic cost. However, they can commonly be found in low shore mudflats be- cause they avoid high temperatures as well [42]. In lowest parts of the shore, sediment is too soft that only large individuals of ...
17
Intraspecific variation in preserved specimens of the fiddler crabs Uca panacea and Uca pugilator (Decapoda: Ocypodidae)
... The fiddler crabs Uca panacea Novak & Salmon, 1974 and Uca pugilator (Bosc, 1802) are closely related species with the former occurring along the Gulf of Mexico coast, from north of Tampa Bay, Florida ...
8
Wandering in male fiddler crabs (Uca tangeri): Alternative reproductive tactic or a functional constraint?
... Interestingly, in spite of the typical resource-based mating system of these species, Crane (1975) described several surface mating attempts by wander- ing males and Von Hagen (1962) also stated that, in the absence of a ...
11
Spectral sensitivity of four species of fiddler crabs (Uca pugnax, Uca pugilator, Uca vomeris and Uca tangeri) measured by in situ microspectrophotometry
... these crabs’ spectral sensitivity, making the visual system in this genus relatively more sensitive to long ...the fiddler crabs’ social ...the crabs and habitat would enable us to evaluate if ...
7
Male-like mudballing behavior of some female fiddler crabs (Uca tangeri)
... Backwell, personal communication), but this behavior has been little studied, perhaps because a key reference for fiddler crabs dismisses mudballing as simply being a means of burrow excavation at each low ...
7
Visual signalling and sexual selection in male fiddler crabs Uca tangeri
... In order to investigate whether male waving and mudballing signals could carry information, on male quality and/or on the quality of the male's burrow, which coul[r] ...
8
The fiddler crabs (Crustacea: Brachyura: Ocypodidae: genus Uca) of the South Atlantic Ocean
... Uca ( Minuca ) vocator : (A) dorsal view of carapace; (B) frontal view of carapace; (C) outer face of major cheliped; (D) inner face of major cheliped; (E) outer face of minor chelipe[r] ...
44
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 ...
6
Escape of the fiddler crab Uca rapax (Smith, 1870) (Crustacea: Ocypodidae) in the state of Minas Gerais, Brazil
... Uca rapax has been discovered in an area considered as the largest ornamental pisciculture/aquaculture center in Brazil. There, about 250 farmers cultivate 60-70 species of tropical fish in 3,000 ponds with trade of ...
4
The effect of eavesdropping on intrasexual interaction in male fiddler crab, uca maracoani (Latreille 1802-1803, decapoda, ocypodidae)
... A final point to discuss is foam production by males in the presence of a female (Table 2 ). Other studies have reported foam production in crabs: Wunderlich et al. ( 2008 ) and Nascimento ( 1993 ) observed that ...
8
Comparison of the population structure of the fiddler crab Uca vocator (Herbst, 1804) from three subtropical mangrove forests
... of crabs and amphipods, and decomposed by microbes (Twilley et ...Thus, crabs are important because they control the remineralisation rate of detritus (Robertson, ...of fiddler crabs promote ...
8
Does 'you are what you eat' apply to mangrove grapsid crabs?
... grapsid crabs’ feeding appendages are not morphologically adapted to collecting microscopic food from the ...the fiddler crabs (Uca spp.). Intertidal crabs that rely on microscopic food ...
12
Stereotypy and variation in the claw waving display of the fiddler crab Uca tangeri
... Australian fiddler crab Uca mjoebergi where sometimes males form coalitions with neighbours to defend their territory against intruders (Backwell and Jennions 2004 ...in fiddler crabs has a clear ...
8
Variation of Sediment Properties among the Radial Profiles of Fiddler Crab Burrows in Mangrove Ecosystem
... Fiddler crabs burrow creates oxic-anoxic interfaces on the burrow ...of fiddler crabs including Uca rosea , Uca forcipata and Uca pardussumieri were sampled at three depth ...of fiddler ...
11
Influence of natural settlement cues on the metamorphosis of fiddler crab megalopae, Uca vocator (Decapoda: Ocypodidae)
... other fiddler crabs, it was shown that ebb tides disperse their larvae to coastal waters (see Dit- tel and Epifanio 1982, Lambert and Epifanio 1982, Epi- fanio 1988, Epifanio et ...
9
Human exploitation of male fiddler crab claws: Behavioural consequences and implications for conservation
... Fiddler crabs (genus Uca) are characterized by a great sexual dimorphism in chelae ...male fiddler crabs develop one of their chelae into a major claw which can constitute up to 40% of male ...
5
Functions of mudballing behaviour in the european fiddler crab Uca tangeri
... hood-constructing fiddler crabs, males responded to the removal of hoods with an increased frequency of combats; when artificial hoods were replaced the number of combats fell to a level similar to that ...
11
Environmental constraints on population structure and condition of coastal and estuarine crabs : (Crustacea: Brachyura)
... mangrove crabs, in terms of pollution and seasonal fluctuation, to address the effects of mangrove vegetation and sewage load on such physiological condition, and to relate it with habitat quality and ecological ...
180
Keys and bibliography for the identification of larval stages of brachyuran crabs from the western Indian Ocean
... The Xanthidae family has 66 species in the WIO area distributed by 11 subfamilies, Actaeinae, Banareiinae, Chlorodiellinae, Cymoinae, Etisinae, Euxanthinae, Kraussiinae, Liomerinae, Polydectinae, Xanthinae and Zosiminae. ...
73