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112 results for “Ancistrus”
FIGURE 6 in Three new species of Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from the Rio Iguaçu basin, Paraná State, Brazil
FIGURE 6. Ordenation of the size-free canonical discriminant analysis on morphometric data of Ancistrus abilhoai (square), A. agostinhoi (cross) and A. mullerae (triangle).
FIGURE 5. Ancistrus mullerae, MZUSP 104121 in Three new species of Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from the Rio Iguaçu basin, Paraná State, Brazil
FIGURE 5. Ancistrus mullerae, MZUSP 104121, holotype, 119.1 mm SL; Brazil, Paraná, lower Rio Iguaçu Basin, Rio Guarani, affluent of Rio Iguaçu.
FIGURE 1. Ancistrus abilhoai, MZUSP 104116 in Three new species of Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from the Rio Iguaçu basin, Paraná State, Brazil
FIGURE 1. Ancistrus abilhoai, MZUSP 104116, holotype, 99.3 mm SL; Brazil, Paraná, Lapa, upper Rio Iguaçu basin, affluent of Rio Iguaçu.
FIGURE 3 in Three new species of Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from the Rio Iguaçu basin, Paraná State, Brazil
FIGURE 3. Geographic distribution and type-localities of Ancistrus abilhoai (dot, square= type-locality), Ancistrus agostinhoi (diamond, asterisk= type-locality) and Ancistrus mullerae (triangle, star= type-locality). Salto Caiacanga (1) and Salto Grande (2) split upper, middle and lower Rio Iguaçu basin. Foz do Areia dam (A), Salto Segredo dam (B) and Salto Caxias dam (C).
FIGURE 2 in Three new species of Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from the Rio Iguaçu basin, Paraná State, Brazil
FIGURE 2. (A) barbel not free from the lower lip (e.g. Ancistrus mullerae); (B) barbel short and free from the lower lip (e.g. Ancistrus pirareta); and (C) barbel long and free from the lower lip (e.g. Ancistrus cuiabae). Scale bar= 1 mm.
FIGURE 4. Ancistrus agostinhoi, MZUSP 104118 in Three new species of Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from the Rio Iguaçu basin, Paraná State, Brazil
FIGURE 4. Ancistrus agostinhoi, MZUSP 104118, holotype, 96.1 mm SL; Brazil, Paraná, lower Rio Iguaçu basin, Rio Jordão, affluent of Rio Iguaçu.
FIGURE 4. Principal component analysis comparing Ancistrus falconensis n in Ancistrus falconensis n. sp. and A. gymnorhynchus Kner (Siluriformes: Loricariidae) from central Venezuelan Caribbean coastal streams
FIGURE 4. Principal component analysis comparing Ancistrus falconensis n. sp. and A. gymnorhynchus. PC2 and PC3 are Principal Component axes two and three.
FIGURE 5 in Ancistrus falconensis n. sp. and A. gymnorhynchus Kner (Siluriformes: Loricariidae) from central Venezuelan Caribbean coastal streams
FIGURE 5. Biplots of selected morphological characters showing differences between Ancistrus gymnorhynchus and Ancistrus falconensis n. sp.
FIGURE 2 in Ancistrus falconensis n. sp. and A. gymnorhynchus Kner (Siluriformes: Loricariidae) from central Venezuelan Caribbean coastal streams
FIGURE 2. Collecting localities of Ancistrus gymnorhynchus (circles) and Ancistrus falconensis (triangles). White symbols indicate type localities. Red stars indicate major cities.
FIGURE 1. Ancistrus gymnorhynchus Kner 1854 in Ancistrus falconensis n. sp. and A. gymnorhynchus Kner (Siluriformes: Loricariidae) from central Venezuelan Caribbean coastal streams
FIGURE 1. Ancistrus gymnorhynchus Kner 1854, Venezuela, Yaracuy, Quebrada Guáquira, at Hacienda Guaquira, Marroquina sector, Yaracuy River dr., 119 masl.
FIGURE 9 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 9. Ancistrus martini, live, collected by and photographed by Gustavo Ballen from the upper Zulia River.
FIGURE 11 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 11. Live holotype of Ancistrus tolima (photo: J. E. García-Melo) Quebrada El Pescado, 3.599306º, -74.854556º, 1187 msnm, vereda San Pablo, municipio de Dolores, departamento de Tolima, Colombia.
FIGURE 10 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 10. Ancistrus tolima CZUT-IC 2083, 72.6 mm SL, paratype, upper Magdalena River drainage, Quebrada El Pescado, Tolima.
FIGURE 8. Ancistrus martini INHS 35367 specimen, 73.2 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 8. Ancistrus martini INHS 35367 specimen, 73.2 mm SL, Taguara Creek, Santa Ana River drainage, Lake Maracaibo Basin, 51 mm SL. Photograph by Nathan K. Lujan.
FIGURE 4 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 4. Distributions of trans-Andean Ancistrus. Symbols may represent more than one collection. Open symbols indicate type localities.
FIGURE 7. Ancistrus chagresi, AUM 32114, 73.3 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 7. Ancistrus chagresi, AUM 32114, 73.3 mm SL, Río Frijoles, tributary of Río Chagres, Panama (type locality).
FIGURE 2 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 2. Live coloration of Ancistrus caucanus, CP-UCO 1443, collected and photographed by Juan Guillermo Ospino Pabon from a creek, tributary to the Nare River, middle Magdalena River drainage, Município de San Rafael, Antioquia, 6.402694º, -74.921833º, 694 masl.
FIGURE 1. Ancistrus caucanus ANSP 70516, 53.0 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 1. Ancistrus caucanus ANSP 70516, 53.0 mm SL, holotype, potentially from the upper Cauca River (see Remarks below). Photo by Kyle Luckenbill.
FIGURE 6. Ancistrus centrolepis CIUA 227 in Trans-Andean Ancistrus (Siluriformes: Loricariidae)
FIGURE 6. Ancistrus centrolepis CIUA 227 in dorsal view from the Atrato River, a Caribbean drainage of northern Colombia; shows dark color phase.
FIGURE 11 in Species of Ancistrus (Siluriformes, Loricariidae) from Ecuador, with the description of a new species from the Amazon River Basin
FIGURE 11. Head close-up, dorsal view, male juveniles showing the difference in soft, fleshy tentacles. A) Ancistrus shuar, MECN-DP-1631, 50.85 mm SL. B) Ancistrus malacops, MEPN 17987, 45.8 mm SL.
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