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163 results for “Aegla”
FIGURE 30 in Morphological and molecular data reveal the cryptic diversity among populations of Aegla paulensis (Decapoda, Anomura, Aeglidae), with descriptions of four new species and comments on dispersal routes and conservation status
FIGURE 30. Bayesian tree (TPM 2 uf + G) for Aegla species based on partial fragment of 16 S. Node numbers represent posterior probabilities (values <50 % are not shown), and divergence time in millions of years (my); * indicates the calibration points to molecular clock. The clade C proposed by Pérez-Losada et al. (2004) is highlighted in grey. The basin and sub-basin origin of the discussed species in this study are shown after the specific names.
FIGURE 24. A – L in Morphological and molecular data reveal the cryptic diversity among populations of Aegla paulensis (Decapoda, Anomura, Aeglidae), with descriptions of four new species and comments on dispersal routes and conservation status
FIGURE 24. A – L, proximal portion of fifth pereiopod showing coxa and sexual tube of long and narrow type. A – B, Aegla paulensis Schmitt, 1942 s. str., male topotype (MZUSP 34368). C – D, Aegla rosanae Campos Jr., 1998, male topotype (MZUSP 34369). E – F, Aegla vanini n. sp., male paratype (MZUSP 34372). G – H, Aegla japi n. sp., male paratype (MZUSP 34375). I – J, Aegla jaragua n. sp. male paratype (MZUSP 34378). K-L, Aegla jundiai n. sp., male paratype (MZUSP 13490). Bars: A – D, F – H, J = 200 µm; K, L = 100 µm; E, I = 500 µm.
FIGURE 8 in Morphological and molecular data reveal the cryptic diversity among populations of Aegla paulensis (Decapoda, Anomura, Aeglidae), with descriptions of four new species and comments on dispersal routes and conservation status
FIGURE 8. Types of Aegla Leach, 1820 male sexual tubes. A, long and narrow (A. lancinhas Bond-Buckup & Buckup in Santos et al., 2015, MZUSP 34403). B, short and wide (A. leptochela Bond-Buckup & Buckup, 1994, MZUSP 34491).
FIGURE 1 in Morphological and molecular data reveal the cryptic diversity among populations of Aegla paulensis (Decapoda, Anomura, Aeglidae), with descriptions of four new species and comments on dispersal routes and conservation status
FIGURE 1. Distribution of the species of Aegla in four main hydrographic basins of southern Brazil: Rio Grande, Rio Tietê (Upper Paraná system), Rio Paraíba do Sul and Ribeira de Iguape. Indications L 1 through L 7 refer to the locations mentioned under “ sampling area ” in the Material & Methods section.
Figure 3 in Multiple metals and agricultural use affects oxidative stress biomarkers in freshwater Aegla crabs
Figure 3. Biomarkers grouped by hydrographic basin (Suzana River basin, Ligeirinho-Leãozinho River basin, Dourado River basin). Different letters indicate significant differences (p <0.05), as compared by one-way ANOVA plus Tukey post-test (between basins).
Figure 2 in Multiple metals and agricultural use affects oxidative stress biomarkers in freshwater Aegla crabs
Figure 2. Biplot of PCA ordination for the metal concentration in sediment of the three studied basins. Suzana River basin (S); Ligeirinho-Leãozinho River basin (L); Dourado River basin (D).
Figure 1 in Multiple metals and agricultural use affects oxidative stress biomarkers in freshwater Aegla crabs
Figure 1. Map of the sampling sites. (A) Suzana River basin (between 27°35'38" and 27°36'16"S; 52°11'11" and 52°13'41"W); (B) Ligeirinho-Leãozinho River basin (between 27°40'15" and 27°36'16"S; 52°16'03" and 52°13'41"W); (C) Dourado River basin (between 27°33'59" and 27°37'13"S; 52°17'46" and 52°19'36"W). The circles (•) indicate the sampled streams. The numbered boxes indicate the areas of land uses analysis.
Figure 2 in Endemic and enigmatic: the reproductive biology of Aegla (Crustacea: Anomura: Aeglidae) with observations on sperm structure
Figure 2. Light micrographs of Aegla rostrata Jara, 1977. A, Spermatophoric lobes; B–G, Squash of spermatophoric lobe contents showing spermatozoa (arrowheads) scattered amongst assorted cells (Asterisk in E and G indicate individual spermatozoa with three microtubular arms).
Figure 1 in Circadian and seasonal variations in the metabolism of carbohydrates in Aegla ligulata (Crustacea: Anomura: Aeglidae)
Figure 1. Circadian and seasonal variations of haemolymphatic glucose levels in Aegla ligulata Bond-Buckup and Buckup, 1994, males and females. Data are given as mean ± SEM. The number of animals at each point varied between 15 and 20. The same letter denotes significantly different means (P<0.05). * denotes significantly different means of the spring (Sep, Oct and Nov), winter (Jun, Jul and Aug), summer (Dec, Jan and Feb) and autumn (Mar, Apr and May). Numbers 1, 2 and 3 stand for the collection times: 0600, 1200 and 1800 h, respectively.
Figure 1 in Endemic and enigmatic: the reproductive biology of Aegla (Crustacea: Anomura: Aeglidae) with observations on sperm structure
Figure 1. Occurrence of ovigerous females of Aegla species obtained from literature sources and USNM specimens. Total USNM specimens examined = 958 (40 ovigerous females). Symbols: 1 Bahamonde and López (1961); 2 Jara (1989); 3 Bueno and Bond-Buckup (2000); 4 Swiech-Ayoub and Masunari (2001a, 2001b); 5 Rodrigues and Hebling (1978); 6 Jara (1977); 7 Lopéz (1965). Shading = range from literature sources indicated. Solid black bar = number from USNM collection for that month.
Figure 3 in Endemic and enigmatic: the reproductive biology of Aegla (Crustacea: Anomura: Aeglidae) with observations on sperm structure
Figure 3. Transmission electron micrograph of spermatozoon of Aegla longirostri Bond-Buckup and Buckup, 1994 in longitudinal section. Abbreviations: av, acrosome vesicle; cy, cytoplasm; m, mitochondrion; ms, membrane system; mt, microtubular bundle; n, nucleus; p, perforatorial column; pm, periacrosomal material.
Fig. 5. Aegla parana Schmitt, 1942 in Spatial partitioning between juveniles and adults of the freshwater anomuran crab Aegla parana (Crustacea Aeglidae) from southern Brazil
Fig. 5. Aegla parana Schmitt, 1942. Aeglids median CL and respective dIstance from the collectIon sItes MedIan (horIzontal thIck lIne), first qUartIle (horizontal bottom line), third quartile (horizontal top line) and minimum and maximum range (vertical dotted line) of carapace length (mm) of females obtained from the three points of Totó River (T1, T2, T3), and from the two points of Negro River (NI, NII).
Fig. 1 in Spatial partitioning between juveniles and adults of the freshwater anomuran crab Aegla parana (Crustacea Aeglidae) from southern Brazil
Fig. 1. Map with localization of the Negro River that is the border between the municipalities of Rio Negro and Mafra and between the states of Paraná and Santa Catarina, southern Brazil. In the Negro River two collection points (NI and NII) were established and in its tributary Totó River, three collection poInts (T1, T2 and T3). Negro RIver flows from soUtheast to northwest.
Fig. 6. Aegla parana Schmitt, 1942 in Spatial partitioning between juveniles and adults of the freshwater anomuran crab Aegla parana (Crustacea Aeglidae) from southern Brazil
Fig. 6. Aegla parana Schmitt, 1942. Relationship between the median carapace length of males and females and the distance of the collection points from the source of Totó River. The relationship between the ratio biomass/number of macroinvertebrates and these distances is also presented. T1, T2, T3, NI, NII, collection points.
Fig. 1. Aegla parana Schmitt, 1942 in Morphological sexual maturity of the freshwater anomuran crab Aegla parana (Crustacea, Decapoda, Aeglidae) from Negro River Sub-basin, Upper Iguaçu Basin, southern Brazil
Fig. 1. Aegla parana Schmitt, 1942. Relationship between the length of the major propodus (LMAP) and the carapace length (CL) of the males. The inflection point is at 23.15 mm CL. Black circles represent jUveniles and adults.
Fig. 1 in Does the landscape surrounding streams affect the occurrence of freshwater crabs? A case study of the genus Aegla (Crustacea: Decapoda: Anomura) in subtropical basins
Fig. 1. Map of the study area in state of Rio Grande do Sul, southern Brazil showing land uses and the location of sampling sites (1 through 21) in the northern, central and southern regions.
Fig. 3 in Does the landscape surrounding streams affect the occurrence of freshwater crabs? A case study of the genus Aegla (Crustacea: Decapoda: Anomura) in subtropical basins
Fig. 3. RDA between landscape uses, stream morphology, and abiotic factors that influence the distribution of Aegla in the study area, state of Rio Grande do Sul, southern Brazil.
Fig. 2 in Does the landscape surrounding streams affect the occurrence of freshwater crabs? A case study of the genus Aegla (Crustacea: Decapoda: Anomura) in subtropical basins
Fig. 2. Boxplot of limnological differences (total nitrogen), stream morphometry hydro-geomorphological differences (Dm) and land use differences (agriculture/exposed soil and pasture) in the three regions (northern, central, and southern) of the study area, state of Rio Grande do Sul, southern Brazil. Different letters above boxes represent significant differences among groups.
Figs 3, 4 in Morphological sexual maturity of the freshwater anomuran crab Aegla parana (Crustacea, Decapoda, Aeglidae) from Negro River Sub-basin, Upper Iguaçu Basin, southern Brazil
Figs 3, 4. Relationship between the size at the onset of the morphological sexual maturity and the maximum carapace length reached by males (Fig. 3) and females (Fig. 4) of the Aegla species. References: A. franca - BUENO & SHIMIZU (2009), A. platensis - OLIVEIRA & SANTOS (2011), A. manuniflata - TREVISAN & SANTOS (2012), A. georginae - COPATTI et al. (2015), A. castro – TAKANO et al. (2016), A. marginata - ADAM et al. (2018), Aegla parana – present study.
Fig. 5 in Description Of The Agonistic Behavior Of Aegla Longirostri (Decapoda: Aeglidae)
Fig. 5. Percentage of the time spent by winners and losers, males of Aegla longirostri, in each of the agonistic acts. The item ''Others'' refers to: BTO, DB, DO, FF, GO, PO, PQ, and TOD, which occurred in low frequency. *Represents a significant difference in the Mann-Whitney Test (P, 0.05). Refer to Table 1 for descriptions of the agonistic acts.
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