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164 results for “rio Tapajós”
FIGURE 1. Peckoltia compta new species, INPA 6865 in Peckoltia compta, a new species of catfish from the Brazilian Amazon, rio Tapajós basin (Siluriformes: Loricariidae)
FIGURE 1. Peckoltia compta new species, INPA 6865, holotype, 56.6 mm SL, photographed immediately after capture. Photo by J. Zuanon.
FIGURE 8 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 8. Living tadpoles of Allobates grillisimilis from Borba, Amazonas, Brazil, showing color in life and position of spiracle (indicated by black arrows).
FIGURE 7 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 7. Oral discs of Allobates grillisimilis tadpoles from Borba, Amazonas, Brazil, collected in January 2008. (A) Oblique and (B) ventral views of oral disc of tadpole at developmental stage 27. (C) Tadpole at stage 38, photographed on dark background, emphasizing distribution and length of papillae. (D) A second tadpole at stage 38, photographed on white background, emphasizing relative length of tooth rows. Scale bars correspond to 0.5 mm.
FIGURE 4 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 4. Allobates grillisimilis from Borba, Amazonas, Brazil (INPA-H 30779, holotype, male) (A) Right hand and (B) Right foot.
FIGURE 6 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 6. Tadpole of Allobates grillisimilis from Borba, Amazonas, Brazil, collected from an egg clutch in January 2008. From top to bottom: dorsal, ventral, and lateral views of preserved tadpole in developmental stage 27 (INPA-H 30827), used in the detailed description (see text).
FIGURE 2 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 2. Color in life of Allobates grillisimilis (A) Dorsolateral and (B) ventral views of holotype (INPA-H 30779), a male collected in Borba, on the right bank of the lower Madeira River, in January 2008. (C) Lateral view of a calling male from type locality (note white vocal sac and multiple dark transverse bars on thighs and shanks). (D) Lateral view of a female photographed at the same locality. (E) Calling male photographed in Nova Olinda do Norte, Amazonas, Brazil. (F) Ventral views of male (left) and female (right) Allobates grillisimilis, from the type locality (note the lack of color dimorphism on ventral surfaces of body). Photos by A.P. Lima (A–D, F) and P.I. Simões (E).
FIGURE 1 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 1. Geographic distribution of Allobates grillisimilis (A) Inset: relative location of sampling area in northern South America. Red triangles: distribution of Allobates grillisimilis in central Brazilian Amazon. Solid dots: location of permanent grids maintained by the Brazilian Program for Biodiversity Research-PPBio (http://ppbio.inpa.gov.br), and sites where intensive studies focusing on diurnal frogs have been conducted at least three times, where the new species was not recorded. Open dots: sites sampled for diurnal frogs in one or two consecutive years by the authors, where the new species was not recorded. (B) Detailed view of sites of occurrence of Allobates grillisimilis emphasizing their location in the northwestern Madeira-Tapajós interfluve, State of Amazonas. 1: Nova Olinda do Norte; 2: Type locality in the outskirts of Borba; 3: Rio Paraconi, in Maués; 4: Igarapé Tabacal, a tributary of Rio Paraconi, also in Maués.
FIGURE 3 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 3. Allobates grillisimilis from Borba, Amazonas, Brazil. (A) Dorsal, (B) ventral, and (C) lateral views of Allobates grillisimilis holotype (INPA-H 30779, male). (D) Dorsal, (E) ventral, and (F) lateral views of Allobates sp nov. allotype (INPA- H 30780, female). Both individuals have incisions on ventral surface of thighs, made during removal of muscle tissue samples. Scratches on dorsum of both individuals were caused by manipulation.
FIGURE 5 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 5. Variation in color pattern of dorsal surface of body and legs between individuals from the type-series of Allobates grillisimilis. Specimens in upper line from type locality in Borba, Amazonas, Brazil: (A) INPA-H 30784, male; (B) APL30787, male; (C) INPA-H 30798, male. Specimens in middle line from Nova Olinda do Norte, Amazonas, Brazil: (D) INPA-H 30816, female; (E) INPA-H30817, male; (F) INPA-H 30823, male. Specimens in lower line from Maués, Amazonas, Brazil, all males: (G) MPEG 28536; (H) MPEG 28545; (I) MPEG 28535.
FIGURE 10 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 10. Reproductive behavior of Allobates grillisimilis (A) Female (upper left) attracted by a courting male in Nova Olinda do Norte, Amazonas, Brazil. Courtship did not result in oviposition. (B) Female inside a curled dead leaf, used as an oviposition site. (C) Jelly nest containing 13 eggs deposited by the same female. (D) Allobates grillisimilis male collected while transporting tadpoles. All tadpoles being transported were at developmental stage 25 of Gosner (1960). (B), (C), and (D) from type locality in Borba, Amazonas, Brazil, photographed in January 2008.
FIGURE 9 in A new diminutive species of Allobates Zimmermann and Zimmermann, 1988 (Anura, Aromobatidae) from the northwestern Rio Madeira—Rio Tapajós interfluve, Amazonas, Brazil
FIGURE 9. Advertisement call of Allobates grillisimilis holotype (INPA-H 30779) recorded in Borba, Amazonas, Brazil, on 12th of January 2008, at 07:28 h and 25°C. (A) Waveform (upper graph) and sonogram (lower graph) of a 4 s segment of advertisement calls, denoting the arrangement of calls, which consist in groups of very short tonal notes. The number of notes is generally variable between calls in the same calling bout. (B) Detailed view (0.6 s) of a single call, consisting of a group of six short notes.
FIGURE 3 in New species of Bryconamericus Eigenmann (Characiformes: Characidae) from the rio Teles Pires, rio Tapajós basin, central Brazil
FIGURE 3. (a) Strict consensus topology of 198 most parsimonious trees with 169 steps resulted from the analysis of Vari & Harold (2001); (b) Strict consensus topology of 377.568 most parsimonious trees with 2596 steps resulted from the analysis of Mirande et al. (2013).
FIGURE 1 in New species of Bryconamericus Eigenmann (Characiformes: Characidae) from the rio Teles Pires, rio Tapajós basin, central Brazil
FIGURE 1. Bryconamericus pinnavittatus, all from Brazil, Pará, Jacareacanga, rio Teles Pires, rio Tapajós basin, (a) holotype, MZUSP 115349, 27.4 mm SL and (b) paratype, MZUSP 99943, 24.9 mm SL.
FIGURE 2 in New species of Bryconamericus Eigenmann (Characiformes: Characidae) from the rio Teles Pires, rio Tapajós basin, central Brazil
FIGURE 2. Type locality of Bryconamericus pinnavittatus in rio Teles Pires, rio Tapajós basin, Brazil. Red dot represents the holotype and the other collection events.
FIGURE 3 in New species of Characidium (Characiformes: Crenuchidae) from the Rio Tapajós and Rio Xingu drainages, Pará, Brazil
FIGURE 3. Single most parsimonious tree (13 steps – CI 0.69; RI 0.87) obtained from the analysis of a modified version of the data matrix from Netto-Ferreira et al. (2013), with the inclusion of Characidium hasemani and C. steindachneri as additional outgroups, and the new species C. nana. Zero length branches are collapsed.
FIGURE 2 in New species of Characidium (Characiformes: Crenuchidae) from the Rio Tapajós and Rio Xingu drainages, Pará, Brazil
FIGURE 2. Map of Rio Tapajós and Rio Xingu, and adjoining areas, showing distribution of Characidium nana. White circle indicates the type locality.
FIGURE 1 in New species of Characidium (Characiformes: Crenuchidae) from the Rio Tapajós and Rio Xingu drainages, Pará, Brazil
FIGURE 1. Characidium nana, holotype, MPEG 31838, 21.5 mm SL, from Rio 13 de Maio, approximately 40 km from Castelo dos Sonhos, Pará, Brazil.
FIGURE 3 in Two new species of Jupiaba (Characiformes: Characidae) from the rio Tapajós and rio Madeira drainages, Brazil, with an identification key to species of the genus
FIGURE 3. Left upper and lower jaws of Jupiaba iasy, paratype, MZUSP 99990, 44.8 mm SL; lateral view, anterior to left. Scale bar 1 mm.
FIGURE 5 in Two new species of Jupiaba (Characiformes: Characidae) from the rio Tapajós and rio Madeira drainages, Brazil, with an identification key to species of the genus
FIGURE 5. Jupiaba paranatinga, holotype, MZUSP 100855, 37.4 mm SL, rio Teles Pires, Paranaíta, Mato Grosso State, Brazil.
FIGURE 2 in Two new species of Jupiaba (Characiformes: Characidae) from the rio Tapajós and rio Madeira drainages, Brazil, with an identification key to species of the genus
FIGURE 2. Jupiaba iasy, paratype, MZUSP 97441, recently collected specimen, rio Jamanxim, Novo Progresso, Pará State, Brazil.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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