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152 results for “Trichomycterus”
FIGURE 1. Trichomycterus pantherinus, UFRJ 6001 in Description of two new species of the catfish genus Trichomycterus from southeastern Brazil (Siluriformes: Trichomycteridae)
FIGURE 1. Trichomycterus pantherinus, UFRJ 6001, live holotype, 55.3 mm SL; Brazil: Espírito Santo: Santa Leopoldina (Photo by W. J. E. M. Costa).
FIGURE 2. Trichomycterus caudofasciatus, UFRJ 6002 in Description of two new species of the catfish genus Trichomycterus from southeastern Brazil (Siluriformes: Trichomycteridae)
FIGURE 2. Trichomycterus caudofasciatus, UFRJ 6002, live holotype, 48.5 mm SL; Brazil: Minas Gerais: Alto Caparaó (Photo by W. J. E. M. Costa).
FIGURE 2 in New species of the catfish genus Trichomycterus (Siluriformes, Trichomycteridae) from the headwaters of the rio São Francisco basin, Brazil
FIGURE 2. Trichomycterus trefauti, holotype, MZUSP 79911, 49.5 mm SL. Riacho Andrequicé, Trinta Réis, Minas Gerais, Brazil: A) lateral; B) dorsal; and C) ventral views.
FIGURE 1. Trichomycterus giganteus, UFRJ 5999 in Trichomycterus giganteus (Siluriformes: Loricarioidea: Trichomycteridae): a new catfish from the Rio Guandu basin, southeastern Brazil
FIGURE 1. Trichomycterus giganteus, UFRJ 5999, holotype, 120.6 mm SL; Brazil: Estado do Rio de Janeiro: Rio de Janeiro. Photo by W. J. E. M. Costa.
Fig. 1. A in Trichomycterus venulosus (Steindachner, 1915), a junior synonym of Eremophilus mutisii Humboldt, 1805 (Siluriformes: Trichomycteridae) and not an extinct species
Fig. 1. A. Trichomycterus venulosus, syntype of Pygidium venulosum, 87 mm SL, illustration from Steindachner (1915b); B. Eremophilus mutisii, MPUJ 2528, 54.0 mm SL, Colombia, Cundinamarca, Municipio Guatavita, embalse de Tominé, Vereda Chaleche, Club Náutico Refugio de Tominé, 4º59'10.7"N 73º49'09"W, 2622 m asl, río Magdalena basin; C. E. mutisii, MPUJ 2528, 72.1 mm SL; D. E. mutisii, MBUCV-V-32796, 221.9 mm SL, Colombia, Nariño, Laguna de La Cocha, río Guamuéz drainage, tributary of río Putumayo, Amazon River basin. Scale bars 1 cm.
Fig. 2 in Trichomycterus venulosus (Steindachner, 1915), a junior synonym of Eremophilus mutisii Humboldt, 1805 (Siluriformes: Trichomycteridae) and not an extinct species
Fig. 2. Dorsal view of head of syntype of Pygidium venulosum (NMW 44476: 1, 108.0 mm SL), showing cephalic sensory pores. Abbreviations: i1, infraorbital sensory pore 1; i3, infraorbital sensory pore 3; i10-11, infraorbital sensory pores 10 and 11; pre, preopercular sensory pore; s1-3, supraorbital sensory pores 1-3; s6, supraorbital sensory pore 6 (epiphyseal branch).
Fig. 3 in Microstructural chromosome reorganization in the genus Trichomycterus (Siluriformes: Trichomycteridae)
Fig. 3. Distribution pattern of 5S (green) and 18S rDNA sites (red) in metaphase of nine species of Trichomycterus analyzed: a) T. davisi; b) T. diabolus; c) T. paulinus; d) Trichomycterus sp. 3; e) Trichomycterus sp. 2; f) T. iheringi; g) T. mimonha; h) T. zonatus; and i) Trichomycterus sp. 1. Note co-localization between 5S and 18S rDNA sites occurring at least in one chromosome pair in all the species and are evidenced by the white arrows. Bar =10µm.
Fig. 9 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 9. Left pectoral girdle of Trichomycterus dali, MZUSP 106631, 62.4 mm SL, paratype. Ventral view. Abbreviations: ap, anterior process; cl, cleithrum; fr, fin rays; pr1-3, proximal radials 1 to 3; sc, scapulocoracoid. Scale bar = 2 mm.
Fig. 4 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 4. Lips and mentum of Trichomycterus dali, MZUSP 106642, 49.0 mm SL, paratype, showing the abundance of papillae. Dorsal view. Scale bar = 2 mm. Courtesy of Luciana B. R. Fernandes and Angélica M. P. M. Dias.
Fig. 6 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 6. Left suspensorium and opercular series of Trichomycterus dali, MZUSP 106631, 62.4 mm SL, paratype. Lateral view. Abbreviations: hm, hyomandibular; io, interopercle; mp, metapterygoid; op, opercle; po, preopercle; qu, quadrate. Scale bar = 2 mm.
Fig. 2 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 2. Trichomycterus dali, holotype, MZUSP 106630, 78.9 mm SL. Brazil, Mato Grosso do Sul State, Serra da Bodoquena karst area, rio Paraguai basin, Bonito, Saracura cave. Left lateral view (above) and dorsal view (below).
Fig. 10 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 10. Pelvic girdle skeleton of Trichomycterus dali, MZUSP 109770, 72.5 mm SL, paratype. Ventral view. Abbreviations: ip, internal anterior process; ep, external anterior process; lp, lateral process; mp, medial process; pr, pelvic fin rays. Scale bar = 2 mm.
Fig. 7 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 7. Left hyoid arch of Trichomycterus dali, MZUSP 106631, 62.3 mm SL, paratype. Ventral view. Abbreviations: ac, anterior ceratohyal; br, branchiostegal rays; pc, posterior ceratohyal; ur, urohyal; vh, ventral hypohyal. Scale bar = 2 mm.
Fig. 1 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 1. Southwestern Mato Grosso do Sul state showing the principal river microbasins and area of the Bodoquena plateau (gray area). a: Morro do Jericó cave. b: Buraco das Abelhas and Saracura caves. 1: Miranda. 2: Aquidauana. 3: Bodoquena. 4: Dois Irmãos do Buriti. 5: Bonito. 6: Nioaque. 7: Jardim. 8: Porto Murtinho. 9: Bela Vista. Traced lines, limits of the river basins; continuous lines, major rivers.
Fig. 3 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 3. Trichomycterus dali, holotype, MZUSP 106630, 78.9 mm SL. Brazil, Mato Grosso do Sul State, Serra da Bodoquena karst area, rio Paraguai basin, Bonito, Saracura cave. Dorsal view of head.
Fig. 11 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 11. Caudal skeleton of Trichomycterus dali, MZUSP 106631, 62.4 mm SL, paratype. Left lateral view.Abbreviations: ns1-2, neural spines of preural centrum 1 and 2; hy1+2, complex plate formed by co-ossification of hypurals 1 and 2; hy3, hypural 3; hy4+5, complex plate formed by co-ossification of hypurals 4 and 5; la, lower apophysis of preural centrum 1; pc1+u1, complex centrum composed of preural centrum 1 and ural centrum 1; pc2, preural centrum 2; ph, parhypural, partially fused to hy1+2; un, uroneural; hs2, hemal spine of preural centrum 2. Scale bar = 2 mm.
Fig. 5 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 5. Neurocranium of Trichomycterus dali, MZUSP 106631, 62.4 mm SL, paratype. Dorsal view. Abbreviations: ap, autopalatine; ao, antorbital; cf, cranial fontanel; eo, epioccipital; fr, frontal; ip, infraorbital process; le, lateral ethmoid; me, mesethmoid; mx, maxilla; oc, parieto-supraoccipital; pm, premaxilla; psc, posttemporosupracleithrum; pt, pterotic; so, supraorbital tendon bone; sp, sphenotic-prooticpterosphenoid complex bone; wc, weberian complex and capsule. Scale bar = 2 mm.
Fig. 8 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 8. Branchial skeleton of Trichomycterus dali, MZUSP 109770, 72.5 mm SL, paratype. Dorsal view. 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, pharyngobranchial 3; tp, tooth plate. Scale bar = 2 mm.
Fig. 12 in Trichomycterus dali: a new highly troglomorphic catfish (Silurifomes: Trichomycteridae) from Serra da Bodoquena, Mato Grosso do Sul State, Central Brazil
Fig. 12. Trichomycterus dali, adult, live specimen photographed in aquarium on May, 2011, unpreserved; Brazil, Mato Grosso do Sul State, Serra da Bodoquena karst area, rio Paraguai basin, Jardim, Buraco das Abelhas cave. Courtesy of Dante Fenolio.
Fig. 4 in A new species of Trichomycterus (Siluriformes: Trichomycteridae) from lagoa Feia drainage, southeastern Brazil
Fig. 4. Map of southeastern Brazil showing geographic distribution of Trichomycterus caipora. Symbol represents more than one sampling locality.
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