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84 results for “Eigenmannia”
FIGURE 4 in Description of a new species of glass knifefish genus Eigenmannia (Gymnotiformes: Sternopygidae) from the upper rio Paraná basin, based on anatomical, karyotypic, and molecular evidences
FIGURE 4 | Infraorbitals of Eigenmannia catira, paratype, MZUSP 121047, left side, lateral view, anterior on left.
Fig. 6 in Population density and habitat of an endangered cave fish Eigenmannia vicentespelaea Triques, 1996 (Ostariophysi: Gymnotiformes) from a karst area in central Brazil
Fig. 6. Population densities of Eigenmannia trilineata from rio da Lapa, São Domingos karst area, central Brazil, observed from dusk until night phase during two nights (April and August 2001). Asterisk indicates that no sample was recorded in this period at April 2001.
Fig. 4 in Population density and habitat of an endangered cave fish Eigenmannia vicentespelaea Triques, 1996 (Ostariophysi: Gymnotiformes) from a karst area in central Brazil
Fig. 4. Box-plots showing the means and standard deviations (Sd) of population densities data for Eigenmannia vicentespelaea along the years 1999, 2000 and 2001 (a) and between the dry seasons, independent of the years (b) BDS, beginning of dry season; MDS, middle of dry season; EDS, end of dry season.
Fig. 7 in Population density and habitat of an endangered cave fish Eigenmannia vicentespelaea Triques, 1996 (Ostariophysi: Gymnotiformes) from a karst area in central Brazil
Fig. 7. Box-plots showing means and standard deviations of pH (a) conductivity (b) and temperature (c) from the São Vicente II cave stream in the dry seasons of 1999, 2000 and 2001 (circle and asterisk represent outliers).
Fig. 3 in Population density and habitat of an endangered cave fish Eigenmannia vicentespelaea Triques, 1996 (Ostariophysi: Gymnotiformes) from a karst area in central Brazil
Fig. 3. Monthly rainfall recorded in the years of 1999, 2000 and 2001. Source: INMET, Posse municipality, Goiás State, central Brazil.
Fig. 5 in Population density and habitat of an endangered cave fish Eigenmannia vicentespelaea Triques, 1996 (Ostariophysi: Gymnotiformes) from a karst area in central Brazil
Fig. 5. Biplot resulting from Principal Component Analysis with seven variables. Dark circles represent sampling units.
Fig. 5 in Morphology and distribution of the cave knifefish Eigenmannia vicentespelaea Triques, 1996 (Gymnotiformes: Sternopygidae) from Central Brazil, with an expanded diagnosis and comments on subterranean evolution
Fig. 5. Preserved specimen of Eigenmannia vicentespelaea with no visible eyes and pale aspect (LEA: 67.6 mm). a. Entire individual. Scale bar, 10 mm; b. Detail of head with no visible eyes. Scale bar, 5 mm. Photos: M. E. Bichuette.
Fig. 3 in Morphology and distribution of the cave knifefish Eigenmannia vicentespelaea Triques, 1996 (Gymnotiformes: Sternopygidae) from Central Brazil, with an expanded diagnosis and comments on subterranean evolution
Fig. 3. Ocular diameter:head length proportions, standard deviations and confidence intervals for Eigenmannia vicentespelaea (n = 25) and Eigenmannia sp. (n = 15) from São Domingos karst area, Central Brazil. *outliers; 1, E. vicentespelaea; 2, Eigenmannia sp. collected in epigean river; 3, Eigenmannia sp. collected in subterranean stream reaches; horizontal bars, medians.
Fig. 2 in Morphology and distribution of the cave knifefish Eigenmannia vicentespelaea Triques, 1996 (Gymnotiformes: Sternopygidae) from Central Brazil, with an expanded diagnosis and comments on subterranean evolution
Fig. 2. Length (LEA) medians (horizontal bars), standard deviations and confidence intervals for Eigenmannia vicentespelaea (n = 25) and Eigenmannia sp. (n = 15) from São Domingos karst area, Central Brazil. *outliers; 1, E. vicentespelaea; 2, Eigenmannia sp. collected in epigean river; 3, Eigenmannia sp. collected in subterranean stream reaches.
Fig. 1 in Morphology and distribution of the cave knifefish Eigenmannia vicentespelaea Triques, 1996 (Gymnotiformes: Sternopygidae) from Central Brazil, with an expanded diagnosis and comments on subterranean evolution
Fig. 1. Sinkhole of São Vicente Cave System, São Domingos karst area, Goiás State, Central Brazil – type locality of Eigenmannia vicentespelaea Triques, 1996. Photo: E. M. Bichuette.
FIGURE 8 in Three new species of the Eigenmannia trilineata species group (Gymnotiformes: Sternopygidae) from northwestern South America
FIGURE 8 | Holotype ICN-MHN 2318 for Eigenmannia magoi, scale bar 1 cm.
FIGURE 9 in Three new species of the Eigenmannia trilineata species group (Gymnotiformes: Sternopygidae) from northwestern South America
FIGURE 9 | Holotype CZUT 11030 for Eigenmannia zenuensis, scale bar 1 cm.
FIGURE 6 in Three new species of the Eigenmannia trilineata species group (Gymnotiformes: Sternopygidae) from northwestern South America
FIGURE 6 | Holotype IAvH-P 9238 for Eigenmannia camposi, scale bar 1 cm.
Fig. 4 in Morphology and distribution of the cave knifefish Eigenmannia vicentespelaea Triques, 1996 (Gymnotiformes: Sternopygidae) from Central Brazil, with an expanded diagnosis and comments on subterranean evolution
Fig. 4. Regression between OD and LEA in Eigenmannia vicentespelaea (n = 25).
FIGURE 1. Eigenmannia correntes, MNRJ 47046 in A new species of Eigenmannia Jordan and Evermann (Gymnotiformes: Sternopygidae) from the upper rio Paraguai basin
FIGURE 1. Eigenmannia correntes, MNRJ 47046, holotype, 113.0 mm LEA, Brazil, Mato Grosso do Sul, Sonora, córrego de Baixo. Lateral view of body. Scale bar: 10 mm.
FIGURE 5 in A new species of Eigenmannia Jordan and Evermann (Gymnotiformes: Sternopygidae) from the upper rio Paraguai basin
FIGURE 5. Lateral view of dissected distended abdominal region of paratype of Eigenmannia correntes (MNRJ 46334, 76.0 mm LEA) showing translucent/whitish (diameter <1.0 mm) as well as mature oocytes (diameter>1.0 mm, dark yellow/orange) inside abdomen. Head to right. Scale bar: 5 mm.
FIGURE 3 in A new species of Eigenmannia Jordan and Evermann (Gymnotiformes: Sternopygidae) from the upper rio Paraguai basin
FIGURE 3. View of córrego de Baixo (downstream), left margin tributary of rio Correntes, at point where it crosses road MS- 213, Brazil, Mato Grosso do Sul, Sonora, 17o42'46"S, 54o21"25"W. Type locality of Eigenmannia correntes.
FIGURE 2. Eigenmannia correntes, MNRJ 47046 in A new species of Eigenmannia Jordan and Evermann (Gymnotiformes: Sternopygidae) from the upper rio Paraguai basin
FIGURE 2. Eigenmannia correntes, MNRJ 47046, holotype, 113.0 mm LEA. Head and anteriormost portion of body. Scale bar: 10 mm. Arrow indicates anus position.
FIGURE 4 in A new species of Eigenmannia Jordan and Evermann (Gymnotiformes: Sternopygidae) from the upper rio Paraguai basin
FIGURE 4. Map of South America showing approximate type-localities of species belonging to the Eigenmannia trilineata species-group. Circle: Eigenmannia correntes; squares: 1 = E. antonioi; 2 = E. besouro; 3 = E. desantanai; 4 = E. guairaca; 5 = E. matintapereira; 6 = E. microstoma; 7 = E. muirapinima; 8 = E. pavulagem; 9 = E. trilineata; 10 = E. vicentespelae; 11 = E. waiwai.
FIGURE 6 in A new species of Eigenmannia Jordan and Evermann (Gymnotiformes: Sternopygidae) from the upper rio Paraguai basin
FIGURE 6. Lateral view of body of non-type specimen of Eigenmannia correntes (MNRJ 46336, 40.0 mm LEA) showing cysts (probably of metacercarie; specimen before it was dissected for removal of parasites). Scale bar: 5 mm.
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