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499 results for “Trichomycteridae”
FIG. 1. — Cambeva diffusa n in Field inventory reveals high diversity of new species of mountain catfishes, genus Cambeva Katz, Barbosa, Mattos & Costa, 2018 (Siluriformes: Trichomycteridae), in south-eastern Serra Geral, southern Brazil
FIG. 1. — Cambeva diffusa n. sp., UFRJ 6968, holotype, 112.3 mm SL.: A, left lateral view; B, dorsal view; C, ventral view.
FIG. 14 in Field inventory reveals high diversity of new species of mountain catfishes, genus Cambeva Katz, Barbosa, Mattos & Costa, 2018 (Siluriformes: Trichomycteridae), in south-eastern Serra Geral, southern Brazil
FIG. 14. — Map of geographical distribution of Cambeva Katz, Barbosa, Mattos & Costa, 2018 in the southeastern nucleus of the Serra Geral (SESG), southern Brazil.
Fig. 5 in Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil
Fig. 5. Cambeva betabelardense sp. nov., holotype (UFRJ 6995), 42.7 mm SL. A. Left lateral view. B. Dorsal view. C. Ventral view.
Fig. 3 in Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil
Fig. 3. Map of geographical distribution of Cambeva alphabelardense sp. nov. and C. betabelardense sp. nov.
Fig. 1 in Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil
Fig. 1. Cambeva alphabelardense sp. nov., holotype (UFRJ 6990), 43.4 mm SL. A. Left lateral view. B. Dorsal view. C. Ventral view.
Fig. 2. Osteological structures. A–C in Two new remarkable and endangered catfish species of the genus Cambeva (Siluriformes, Trichomycteridae) from southern Brazil
Fig. 2. Osteological structures. A–C. Cambeva alphabelardense sp. nov., paratype (UFRJ 6993). D–F. Cambeva betabelardense sp. nov., paratype (UFRJ 6996). A, D. Mesethmoidal region and adjacent structures, left and middle portions, dorsal view. B, E. Left jaw suspensorium and opercular series, lateral view. C, F. Parurohyal, ventral view. Abbreviations of structures indicated by arrows are: amp = anteroventral metapterygoid process; doe = dorsal opercular expansion; iap = anterior projection of interopercle. Heavier stippling represents cartilaginous areas. Scale bar: 1 mm.
FIGURE 7 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 7 | Parurohyal of Ituglanis crispim, paratype, MZUSP 12208, 26.7 mm SL. Dorsal view. Scale bar = 0.2 mm.
FIGURE 10 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 10 | Caudal-fin skeleton of Ituglanis crispim, paratype, MZUSP 126756, 29.7 mm SL (c&s). Lateral view. Abbreviations: epural (EP); hypurapophysis (ha) plus secondary hypurapophysis (has) (HA+HAS); hypural 5 (HU5); presumed hypurals 3 plus 4 (HU3+HU4); hypurals 1 plus 2 plus parhypural (PH+HU1+HU2); preural centrum 1 plus ural centrum 1 (PU1+U1); preural centrum 2 (PU2); uroneural (UR). Scale bar = 0.5 mm.
FIGURE 4 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 4 | Anterior part of skull and related structures of Ituglanis crispim, paratype, MZUSP 126756, 29.7 mm SL (c&s). Ventral view. Abbreviations: mesethmoid (ME); premaxilla (PMX); maxilla (MX); barbular (BA); orbitoshpenoid (OS); autopalatine (AP); and vomer (VO). Some elements are not shown. Scale bar = 0.5 mm.
FIGURE 2 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 2 | Pelvic girdle of Ituglanis crispim, paratype, MZUSP 126756, 29.7 mm SL (c&s), dorsal view. Abbreviations: basipterygium (BP); external process (EP); internal process (IP); pelvic splint (PS). Scale bar = 0.2 mm.
FIGURE 9 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 9 | Radiographs of types specimens of Ituglanis crispim. Lateral views. MZUSP 126756, paratypes, 32.6, 29.4, 29.7 mm SL, respectively (A, C, D, latter now c&s); B. MZUSP 126762, holotype, 28.8 mm SL.
FIGURE 6 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 6 | Hyoid arch of Ituglanis crispim, paratype, MZUSP 126756, 29.7 mm SL (c&s). Lateral view. Abbreviations: anterior ceratohyal (AC); BR1–8, branchiostegal rays 1 to 8; inter-ceratohyal cartilage (IC); posterior ceratohyal (PC); ventral hypohyal (VH). Image from right side, inverted to conform to standard position. Scale bar = 0.5 mm.
FIGURE 8 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 8 | Gill arches of Ituglanis crispim, paratype, MZUSP 126756, 29.7 mm SL (c&s). Dorsal view. Abbreviations: basibranchials 2 to 4 (BB2–4); ceratobranchials 1 to 3 (CB1–3); epibranchials 1 to 4 (EB1–4); hypobranchials 1 to 3 (HB1–3); pharyngobranchial 3 (PB3). Ceratobranchials 4 and 5 (CB4–5), and upper pharyngeal tooth plate (TP) damaged and partly missing. Scale bar = 0.5 mm.
FIGURE 5 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 5 | Suspensorium and opercular apparatus of Ituglanis crispim, paratype, MZUSP 126756, 29.7 mm SL (c&s). Lateral view. Abbreviations: metapterygoid (MT); quadrate (QU); preopercle (PO); interopercle (IO); opercle (OP); hyomandibula (HY); dentary (DE), and anguloarticular (AA). Image from right side, inverted to conform to standard position. Scale bar = 0.5 mm.
FIGURE 3 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 3 | Neurocranium and related structures of Ituglanis crispim, paratype, MZUSP 126756, 29.7 mm SL (c&s). A. Dorsal and B. Ventral views. Abbreviations: mesethmoid (ME); premaxilla maxilla (PMX); maxilla (MX); anterior fontanel (AF); autopalatine (AP); frontal (FR); barbular (BA); parieto-supraoccipital (SU); orbitosphenoid (OS); posterior fontanel (PF); lateral ethmoid (LE); parasphenoid (PA); sphenoticprootic-pterosphenoid complex bone (SP+PO+PN); vomer (VO); basioccipital (BO); Weberian capsule (WC). Some elements are not shown. Scale bar = 1 mm.
FIGURE 12 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 12 | A. Type locality of Ituglanis crispim, riacho da Volta, right tributary to Parnaíba River, Uruçuí, Parnaíba River basin, Piauí, Brazil. B. In detail the submerged filamentous algae. Photo taken on July 18, 2005.
FIGURE 1 in Filling in a biogeographic gap: the first Trichomycteridae from the Parnaíba River basin (Siluriformes: Trichomycteridae)
FIGURE 1 | Ituglanis crispim, MZUSP 126762, holotype, 28.8 mm SL, riacho da Volta, right tributary to Parnaíba River, Parnaíba River basin. Left lateral, dorsal, and ventral views.
Fig. 10 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)
Fig. 10. Geographic distribution of the three Ituglanis species in northeastern Brazil. The locality of Ituglanis agreste (rio Tarugo) represents the type locality.
Fig. 11 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)
Fig. 11. Type locality of Ituglanis agreste, Brazil, Bahia State, Boa Nova municipality, rio Tarugo, rio de Contas basin.
Fig. 1 in Ituglanis agreste, a new catfish from the rio de Contas basin, northeastern Brazil (Siluriformes: Trichomycteridae)
Fig. 1. Ituglanis agreste, new species, holotype, MNRJ 40196, 40.5 mm SL, Brazil, Bahia State, municipality of Boa Nova, rio de Contas basin. a - lateral; b - dorsal; c - ventral views.
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OpenNeuro
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