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152 results for “Trichomycterus”
Fig. 2 in A new species of Trichomycterus (Siluriformes: Trichomycteridae) from lagoa Feia drainage, southeastern Brazil
Fig. 2. Trichomycterus caipora immediately after preservation, showing phenotypic color variation, paratypes, UFRJ 7247; a, 116.2 mm SL; b, 100.4 mm SL. Brazil: Estado do Rio de Janeiro: Conceição de Macabu.
Fig. 3 in A new species of Trichomycterus (Siluriformes: Trichomycteridae) from lagoa Feia drainage, southeastern Brazil
Fig. 3. Left suspensorium and opercular series of Trichomycterus caipora, UFRJ 7614, 69. 1 mm SL. Lateral view. Abbreviations: HY, hyomandibula; IO, interoperculo; MT, metapterygoid; OP, opercle; PO, preopercle; QU, quadrate. Scale bar = 1 mm.
Fig. 1 in A new species of Trichomycterus (Siluriformes: Trichomycteridae) from lagoa Feia drainage, southeastern Brazil
Fig. 1. Trichomycterus caipora, lateral, dorsal and ventral views. Holotype, UFRJ 6583; 114.6 mm SL. Brazil, Rio de Janeiro, Conceição de Macabu, rio Macabu upstream the confluence of rio Carocango and rio Macabu.
Fig. 6 in Trichomycterus igobi, a new catfish species from the rio Iguaçu drainage: the largest head in Trichomycteridae (Siluriformes: Trichomycteridae)
Fig. 6. Dorsal view of the right palatine of Trichomycterus igobi, MPEG 13354, paratype. Arrow indicates mesial bony expansion.
Fig. 1. Trichomycterus igobi, MPEG 13352 in Trichomycterus igobi, a new catfish species from the rio Iguaçu drainage: the largest head in Trichomycteridae (Siluriformes: Trichomycteridae)
Fig. 1. Trichomycterus igobi, MPEG 13352, holotype, 90.1 mm SL. Lateral view of right side (photograph inverted).
Fig. 3 in Trichomycterus igobi, a new catfish species from the rio Iguaçu drainage: the largest head in Trichomycteridae (Siluriformes: Trichomycteridae)
Fig. 3. Southern Brazil, showing approximate geographical distribution (black circle) of Trichomycterus igobi.
Fig. 4 in Two new species of the catfish genus Trichomycterus (Siluriformes: Trichomycteridae) from the rio Ribeira de Iguape Basin, Southeastern Brazil
Fig. 4. Trichomycterus tupinamba, holotype, MZUSP 62382, 86.5 mm, dorsal view of the head. Scale bar = 5 mm.
Fig. 6 in Two new species of the catfish genus Trichomycterus (Siluriformes: Trichomycteridae) from the rio Ribeira de Iguape Basin, Southeastern Brazil
Fig. 6. Trichomycterus jacupiranga, holotype, MZUSP 67818, 57.4 mm, dorsal view of the head. Scale bar = 5 mm.
Fig. 1 in Two new species of the catfish genus Trichomycterus (Siluriformes: Trichomycteridae) from the rio Ribeira de Iguape Basin, Southeastern Brazil
Fig. 1. Geographic distribution of Trichomycterus tupinamba (squares) and Trichomycterus jacupiranga (triangles). Dotted lines delimit Ribeira de Iguape river basin.
Fig. 9 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 9. Map of Southeastern South America with the geographic distribution of Trichomycterus maracaya plotted; 1, rio Grande; 2, rio Tietê; 3, rio Paraná.
Fig. 8 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 8. Branchial skeleton of Trichomycterus maracaya (LIRP 4381), 43.9 mm SL, paratype. Dorsal view. Dorsal elements of right gill arches and gill rakers not shown. Abbreviations: BB2-4, basibranchials 2 to 4; CB1-5, ceratobranchials 1 to 5; EB1-5, epibranchials 1 to 5; HB1-3, hypobranchials 1 to 3; PB3-4, pharyngobranchials 3 and 4; TP, tooth plate. Scale bar = 1 mm.
Fig. 7 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 7. Left hyoid arch of Trichomycterus maracaya (LIRP 4381), 43.9 mm SL, paratype. Lateral view. Abbreviations: AC, anterior ceratohyal; BR, branchiostegal rays; IC, interceratohyal cartilage; PC, posterior ceratohyal; VH, ventral hypohyal. Scale bar = 1.5 mm.
Fig. 11 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 11. Trichomycterus sp. of the T. brasiliensis species-complex (LIRP 818), Brazil: São Paulo: município de Cássia dos Coqueiros, ribeirão da Boiada, rio Pardo basin (21º17'40"S 47º08'49"W). a, juvenile, 32.8 mm SL; b, presumed adult, 60.4 mm SL.
Fig. 5 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 5. Cranium and Weberian complex of Trichomycterus maracaya (LIRP 4381), 43.9 mm SL, paratype. Dorsal view. Abbreviations: AF, anterior fontanel; AN, antorbital; AP, autopalatine; EP, epioccipital; FR, frontal; LE, lateral ethmoid; i1, infraorbital sensory branch 1; i3, infraorbital sensory branch 3; i10-11, infraorbital sensory branches 10 and 11; ME, mesethmoid; MX, maxilla; NA, nasal; PF, posterior fontanel; PM, premaxilla; po1-2, postotic sensory branches 1 and 2; PS, posttemporosupracleithrum; PT, pterotic; s1, supraorbital sensory branch 1; s3, supraorbital sensory branch 3; s6, supraorbital sensory branch 6 (epiphyseal branch); RF, foramen for ramus lateralis accessorius facialis; "SO", tendon-bone supraorbital; SP+PO+PN, sphenoticprootic-pterosphenoid complex bone; SU, parietosupraoccipital; WC, Weberian capsule. Scale bar = 2 mm.
Fig. 1 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 1. Trichomycterus maracaya. (ZUEC 6137), 48.8 mm SL, holotype; Morro do Ferro, município de Poços de Caldas, Minas Gerais, southeastern Brazil.
Fig. 4 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 4. Head of Trichomycterus maracaya in dorsal view (LIRP 4381), 51.3 mm SL, paratype, showing pattern composed of two-layered blotches and spots (densely packed lower layer drawn as regularly spaced lighter dots, and loosely grouped upper layer drawn as irregularly spaced darker dots). Abbreviations: i1, infraorbital sensory branch 1; i3, infraorbital sensory branch 3; i10-11, infraorbital sensory branches 10 and 11; ll1-2, lateral line sensory branches 1 (supracleithral sensory branch) and 2; po1-2, postotic sensory branches 1 and 2; s1, supraorbital sensory branch 1; s3, supraorbital sensory branch 3; s6, supraorbital sensory branch 6 (epiphyseal branch). Scale bar = 4 mm.
Fig. 6 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 6. Left suspensorium and opercular series of Trichomycterus maracaya (LIRP 4381), 43.9 mm SL, paratype. Lateral view. Abbreviations: HY, hyomandibula; IO, interopercle; MT, metapterygoid; OP, opercle; PO, preopercle; QU, quadrate. Scale bar = 1 mm.
Fig. 10 in Trichomycterus maracaya, a new catfish from the upper rio Paraná, southeastern Brazil (Siluriformes: Trichomycteridae), with notes on the T. brasiliensis species-complex
Fig. 10. View of the type locality of Trichomycterus maracaya, a streamlet with limonite bed at the foothill of the Morro do Ferro (about 46º31'50''S, 21º46'45''W), município de Poços de Caldas, Minas Gerais, southeastern Brazil.
Fig. 2. Karyotypes showing C in Microstructural chromosome reorganization in the genus Trichomycterus (Siluriformes: Trichomycteridae)
Fig. 2. Karyotypes showing C Band of the species of Trichomycterus analyzed.
Fig. 1 in Microstructural chromosome reorganization in the genus Trichomycterus (Siluriformes: Trichomycteridae)
Fig. 1. Karyotypes of Trichomycterus species analyzed showing chromosomes after Giemsa.
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