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152 results for “Trichomycterus”
Figure 1 in Historical review and redescription of three poorly known species of the catfish genus Trichomycterus from south-eastern Brazil (Siluriformes: Trichomycteridae)
Figure 1. Live specimens, left lateral view, of: a, Trichomycterus nigricans, UFRJ 10,996, 69.7 mm SL; b, Trichomycterus immaculatus, UFRJ 12,050, 62.9 mm SL; c, Trichomycterus santaeritae, UFRJ 12,592, 56.8 mm SL. All were photographed a few hours after collection.
Figure 2 in Historical review and redescription of three poorly known species of the catfish genus Trichomycterus from south-eastern Brazil (Siluriformes: Trichomycteridae)
Figure 2. Osteological features of Trichomycterus nigricans (a–c), T. immaculatus (d–f), and T. santaeritae (g–i): A, D, G, mesethmoidal region and adjacent structures, middle and left portion, dorsal view; B, E, H, left suspensorium and opercular apparatus, lateral view; C, F, I, middle and left portion of brachial arches, ventral view of dorsal elements on left, dorsal view of ventral elements on right. Larger stippling represents cartilage. Abbreviations: aip, anterior interopercular projection; b2–3, basibranchials 2–3; bc4, cartilaginous basibranchial 4; c1–5, ceratobranchials 1–5; e1–4, epibranchials 1–4; ec5, epibranchial 5 cartilage (= accessory element of ceratobranchial 4); h1–3, hypobranchials 1– 3; hdb, hypobranchial anterior branching; pmp, posterior maxillary process; p3, pharyngobranchial 3; pt4, pharyngobranchial 4 tooth-plate.
FIGURE 5. Maximum likelihood tree built with concatenated matrix using cytochrome oxidase sub-united I in New species of Trichomycterus (Siluriformes: Trichomycteridae) lacking pelvic fins from Paranapanema basin, southeastern Brazil
FIGURE 5. Maximum likelihood tree built with concatenated matrix using cytochrome oxidase sub-united I (COI) and 16S genes, showing the relationships of Trichomycterus pascuali within Trichomycterinae. Numbers on branches of tree denote bootstrap (B) values.
FIGURE 4. A in New species of Trichomycterus (Siluriformes: Trichomycteridae) lacking pelvic fins from Paranapanema basin, southeastern Brazil
FIGURE 4. A. Map showing the type localities of Trichomycterus pascuali, 23°13'27.06"S 48°31'45.34"W, and congeners lacking pelvic fins and girdle. B. Type locality of T. pascuali, unnamed tributary of Tamanduá river, Paranapanema basin.
FIGURE 2 in New species of Trichomycterus (Siluriformes: Trichomycteridae) lacking pelvic fins from Paranapanema basin, southeastern Brazil
FIGURE 2. Body coloration patterns observed in Trichomycterus pascuali, LBP 23323, (A) 45.4 mm SL, (B) 52.2 mm SL.
FIGURE 3 in New species of Trichomycterus (Siluriformes: Trichomycteridae) lacking pelvic fins from Paranapanema basin, southeastern Brazil
FIGURE 3. Dorsolateral view of head of Trichomycterus pascuali, LBP 23323 (51.2 mm SL); arrow indicates levator internus IV originating from the dorsal face of posttemporo-supracleithrum.
FIGURE 1. Trichomycterus pascuali, MZUSP 121681, holotype 48.8 in New species of Trichomycterus (Siluriformes: Trichomycteridae) lacking pelvic fins from Paranapanema basin, southeastern Brazil
FIGURE 1. Trichomycterus pascuali, MZUSP 121681, holotype 48.8 mm SL; Brazil: São Paulo State, Municipality of Itatinga; unnamed river tributary of Tamandua river, Paranapanema basin, in ventral, lateral, and dorsal views.
FIGURE 9 in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 9. Map of lower Central America (Costa Rica and Panama) showing the geographic distribution of Trichomycterus striatus. Plus symbol indicates the type locality, triangle represent new locality record (DZSJRP 21188).
FIGURE 3 in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 3. Trichomycterus striatus, fresh specimens; A. DZSJRP 21188, 113.0 mm SL, Costa Rica, dorsal, lateral, and ventral views; B. DZSJRP 21188, 57.7 mm SL, Costa Rica, dorsal, lateral, and ventral views; C. Live specimen (not preserved), lateral view, 78.9 mm SL, captured at the Limón River, 08°49'27.0"N 83°01'38.6"W, Puntarenas, Costa Rica, on 2 Oct 2007 by Jorge Picado; photograph by Jorge Picado. Scale bar = 5 mm.
FIGURE 6 in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 6. Trichomycterus striatus, (A) hyoid arch, (B) pectoral girdle, and (C) pelvic girdle; C&S specimen, UCR 0434-04, Panama, ventral views. Abreviations: Ac. Anterior ceratohyal; Ba. Basipterygium; BR. Branchiostegal ray; Cl. Cleithrum; Pc. Posterior ceratohyal; Pr. Pectoral radial; Pu. Parurohyal; Sc. Scapulocoracoid; Vh. ventral hypohyal. Scale bar = 2 mm.
FIGURE 8 in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 8. Trichomycterus striatus, caudal skeleton; A. C&S specimen, UCR 0111-18, Costa Rica, lateral view; B. C&S specimen, UCR 0434-04, Panama, lateral view. Abreviations: CCC. Compound caudal centrum (preural centrum 1 + ural centrum 1); CFE. Caudal-fin elements (principal caudal-fin rays); DPR. Dorsal procurrent rays; H. Hypural; HS. Hemal spine; NS. Neural spine; Ph. Parhypural; U. Uroneural; VPR. Ventral procurrent rays. Scale bar = 2 mm.
FIGURE 7 in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 7. Trichomycterus cf. striatus and T. striatus, opercle, branchial archs; A. Draft modified from Ardila-Rodríguez (2007), CAR 36 (T. cf. striatus), Colombia, dorsal view, illustration by Julio Ardila; B. C&S specimen, UCR 0434-04 (T. striatus), Panama, dorsal view. C. C&S specimen, UCR 0434-04, Panama, ventral view. Abreviations: BB. Basibranchial; CB. Ceratobranchial; EB. Epibranchial; HB. Hypobranchial; PB. Pharyngobranchial; UDP. Upper dentigerous plate. Scale bar = 2 mm.
FIGURE 2 in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 2. Trichomycterus striatus, intraspecific variation in body color pattern; A. UCR 0111-18, 29.4 mm SL, Costa Rica, lateral view; B. UCR 0434-04, 35.9 mm SL, Panama, lateral view; C. UCR 0434-04, 42.7 mm SL, Panama, lateral view; D. UCR 0434-04, 52.1 mm SL, Panama, lateral view; E. UCR 0111-18, 69.2 mm SL, Costa Rica, lateral view; F. UCR 0434-04, 75.4 mm SL, Panama, lateral view; G. UCR 0434-04, 77.6 mm SL, Panama, lateral view; H. UCR 0434-04, 119.9 mm SL, Panama, lateral view. Scale bar = 5 mm.
FIGURE 1. A in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 1. A. Trichomycterus striatus, holotype, FMNH 7579, 71.5 mm SL, Panama, dorsal, lateral, ventral, and X-ray lateral views. B. Trichomycterus septentrionale, holotype, FMNH 59522, 88.4 mm SL, Panama, dorsal, lateral, ventral, and X-ray lateral views. Scale bar = 5 mm.
FIGURE 5 in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 5. Trichomycterus cf. striatus and T. striatus, opercle (OP) and interopercle (IO); A. Draft modified from Ardila- Rodríguez (2007), CAR 36 (T. cf. striatus), Colombia, lateral view, illustration by Julio Ardila; B. C&S specimen, UCR 0434- 04 (T. striatus), Panama, lateral view. Scale bar = 1 mm.
FIGURE 4 in Redescription of Trichomycterus striatus (Meek & Hildebrand, 1913) (Siluriformes: Trichomycteridae), with notes on its geographic distribution
FIGURE 4. Trichomycterus striatus, neurocranium; A. C&S specimen, UCR 0434-04, Panama, dorsal view; B. C&S specimen, UCR 0434-04, Panama, ventral view. Abreviations: Afo. Anterior fontanel; Au. Autopalatine; Be. Basi-exoccipital; De. Dentary; Epo. Epioccipital; Fr. Frontal; La. Lachrymal-antorbital; Le. Lateral ethmoid; Hy. Hyomandibula; Me. Mesethmoid; Mto. Metapterygoid; Mx. Maxilla; Pfo. Posterior fontanel; Pmx. Premaxilla; Ps. Parasphenoid; Psoc. Parietosupraoccipital; Pt. Pterotic; Qu. Quadrate; Sob. Sesamoid supraorbital; Vo. Vomer; SPP. Sphenotic-prootic-pterosphenoid complex bone; We. Weberian capsule. Scale bar = 2 mm.
FIGURE 5 in New species of Trichomycterus (Siluriformes: Trichomycteridae) from the High Andean Plateau of Argentina
FIGURE 5. Map of southern South America showing the type locality (black star) of Trichomycterus varii, new species.
FIGURE 4 in New species of Trichomycterus (Siluriformes: Trichomycteridae) from the High Andean Plateau of Argentina
FIGURE 4. Type locality of Trichomycterus varii, new species, río Cieneguillas, Departamento Santa Catalina, Provincia Jujuy, Argentina. Photograph by L. Fernández.
FIGURE 5. Trichomycterus zonatus, lateral views. A in The type specimens of Trichomycterus alternatus (Eigenmann, 1917) and Trichomycterus zonatus (Eigenmann, 1918), with elements for future revisionary work (Teleostei: Siluriformes: Trichomycteridae)
FIGURE 5. Trichomycterus zonatus, lateral views. A—holotype, FMNH 58573, 52.3 mm SL, Água Quente; B and C, paratypes, FMNH 58574, 42.8–46.9 mm SL, same locality as holotype (specimen C illustrated in Eigenmann (1918, pl 51, fig 1)); D—paratype, FMNH 58572, 50.7 mm SL, Cubatão, 7 miles west of Santos, São Paulo, Brazil.
FIGURE 1 in The type specimens of Trichomycterus alternatus (Eigenmann, 1917) and Trichomycterus zonatus (Eigenmann, 1918), with elements for future revisionary work (Teleostei: Siluriformes: Trichomycteridae)
FIGURE 1. Geographical provenance of type material of Trichomycterus alternatus and Trichomycterus zonatus. Red star— T. alternatus, holotype FMNH 58082 and paratypes FMNH 58083; yellow star—T. zonatus, holotype FMNH58573 and paratypes FMNH 58574; yellow circle—T. zonatus paratype FMNH 58572.
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