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103 results for “Pseudopimelodidae”
Fig. 4 in A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil
Fig. 4. Scatter diagram of Sheared Principal Components analysis of combined samples of Microglanis leniceae (diamond, n = 6), M. carlae (squares, n = 9), and M. cottoides (triangle, n = 7).
Fig. 1 in A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil
Fig. 1. Microglanis leniceae, holotype, ZUFMS 4148, 33.0 mm SL, rio Betione, Miranda, Mato Grosso do Sul State, Brazil.
Fig. 3 in A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil
Fig. 3. Geographic distribution of Microglanis leniceae in states of Mato Grosso (MT) and Mato Grosso do Sul (MS) (yellow star = type locality). Brazilian states acronyms: GO = Goiás; SP = São Paulo.
Fig. 2 in A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil
Fig. 2. Dorsal view of right pectoral-fin spine of holotype (ZUFMS 4148, 33.0 mm SL) of Microglanis leniceae, from the upper rio Paraguay basin, Mato Grosso State, Brazil. Scale bar = 1 mm.
DATASET Stridulation sounds of the pacamã Lophiosilurus alexandri Steindachner, 1876 (Pseudopimelodidae), a threatened endemic Brazilian catfish
<p>This dataset contains acoustic files with sounds produced by the pacamã Lophiosilurus alexandri Steindachner, 1876. The details can be found in the related publication Raick et al. 2025.</p>
FIGURE 7 in Description and phylogenetic position of a new species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the Jamanxim River basin
FIGURE 7 | Maximum likelihood tree of Pseudopimelodidae on the 70% complete matrix (1082 loci, 385,841 bp). Nodes without symbols represent 100% support from 1000 bootstrap pseudo-replicates; nodal support between 99% and 75% denote by black circles; gray nodes indicate support between 75% and 50%.
FIGURE 5 in Description and phylogenetic position of a new species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the Jamanxim River basin
FIGURE 5 | Variation pattern of dark body bands in Rhyacoglanis beninei. A. MZUEL 23049, 42.6 mm SL; B. LBP 32145, 29.8 mm SL; C. LBP 32163, 27.0 mm SL; D. LBP 32163, 42.9 mm SL. Scale bars = 10 mm.
FIGURE 4 in Description and phylogenetic position of a new species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the Jamanxim River basin
FIGURE 4 | A. Habitat of Rhyacoglanis beninei in córrego Jussara, 07°21'08"S 55°17'45"W; B. A rock where specimens of R. beninei were associated; C. Paratype of R. beninei just after capture. Photo: Gabriel S. Costa e Silva.
FIGURE 1 in Description and phylogenetic position of a new species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the Jamanxim River basin
FIGURE 1 | Rhyacoglanis beninei, holotype, MZUSP 127014, 59.1 mm SL, from córrego Jussara, an affluent of Jamanxim River, Tapajós River basin. Scale bar = 10 mm.
FIGURE 2 in Description and phylogenetic position of a new species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the Jamanxim River basin
FIGURE 2 | Pigmentation of oblique dark bars in the predorsal region of Rhyacoglanis beninei. A. MZUEL 23049, 29.6 mm SL; B. LBP 32145, 32.9 mm SL; C. LBP 32145, 37.3 mm SL; D. MZUEL 23049, 42.6 mm SL; E. LBP 32145, 50.2 mm SL. Scale bars = 10 mm.
FIGURE 9 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 9 | Lateral view of sequenced Rhyacoglanis sp., LBP 1685, 21.6 mm SL, from Barra do Garças, state of Goiás, upper rio Araguaia basin.
FIGURE 7 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 7 | A. Panoramic view of Rhyacoglanis varii type locality, rio do Peixe, Goianésia, state of Goiás, Brazil; B. Bottom with rocks, pebbles, and sand where specimens were collected; C. Blue arrow indicating water flow and pointing to a specimen beneath rocks.
FIGURE 10 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 10 | Pseudopimelodidae species delimitation with Bayesian GMYC analysis. The cluster of supported species is indicated in red, and the Rhyacoglanis cluster is highlighted in yellow ocher. The numbers on the nodes represent the posterior probability, and the branch length represents the time in My. Genbank accession number in parenthesis; * = specimens identified as Pseudopimelodus mangurus in Genbank.
FIGURE 4 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 4 | Rhyacoglanis varii laterosensory canal pores, MZUSP 54082, 47.6 mm SL, paratype, in dorsal (A) and ventral views (B). i1 to i6 = infraorbital pores 1 to 6; pm1 to pm11 = preoperculomandubular pores 1 to 11; po1 and po2 = postotic pores 1 and 2; s1 to s8 = supraorbital pores 1 to 8. Scale bar = 5 mm.
FIGURE 8 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 8 | Second and third principal components axes of combined samples of Rhyacoglanis varii (red cross, n = 16), R. paranensis (blue square; n = 31), and R. rapppydanielae (pink square; n = 13).
FIGURE 3 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 3 | Rhyacoglanis varii caudal-fin skeleton, paratype, MZUEL 6039, 53.5 mm SL. Bones in yellow ocher and cartilage in blue. H1 to H5 = hypurals 1 to 5. Scale bar = 1.0 mm.
FIGURE 2 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 2 | Rhyacoglanis varii pectoral-fin spine, paratype, MZUEL 6039, 55.5 mm SL. Scale bar = 1.0 mm.
FIGURE 1 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 1 | Holotype of Rhyacoglanis varii, MZUEL 22317, 67.1 mm SL, rio do Peixe, upper rio Tocantins basin, Goianésia, state of Goiás, Brazil.
FIGURE 6 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 6 | Map of Rhyacoglanis varii distribution through upper rio Tocantins basin (red dot = rio Tocantinzinho tributary; red star = type locality, rio do Peixe), state of Goiás (GO), Brazil. DF = Federal District of Brazil.
FIGURE 5 in New species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin
FIGURE 5 | Rhyacoglanis varii coloration in life, MZUEL 6039, paratype, 46.1 mm SL, rio do Peixe, upper rio Tocantins basin, Goianésia, state of Goiás, Brazil.
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