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Fig. 6 in A new species of Paralithoxus (Siluriformes: Loricariidae: Ancistrini) from the highlands of Serra da Mocidade, Roraima State, Brazilian Amazon

Fig. 6. Type-locality of Paralithoxus mocidade in Ajarani River, tributary of the Branco River basin, located immediately downstream of a large waterfall. Photo by Marcos Amend.

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Fig. 1 in A new species of Paralithoxus (Siluriformes: Loricariidae: Ancistrini) from the highlands of Serra da Mocidade, Roraima State, Brazilian Amazon

Fig. 1. Paralithoxus mocidade, holotype, INPA 54745, female, 50.5 mm SL, in lateral, dorsal and ventral views.

Fig. 5 in A new species of whiptail armored catfish, genus Pseudohemiodon (Siluriformes: Loricariidae) from the Orinoco River basin, Llanos region of Colombia and Venezuela

Fig. 5. Map of northern South America (Colombia and Venezuela) showing capture localities of Pseudohemiodon unillano, red star is type locality, some symbols may represents more than one lot.

Fig. 3 in A new species of whiptail armored catfish, genus Pseudohemiodon (Siluriformes: Loricariidae) from the Orinoco River basin, Llanos region of Colombia and Venezuela

Fig. 3. Pseudohemiodon unillano, paratype, IAvH-P 19088, 183.2 mm SL. Detail of buccal ornamentation and teeth. Photograph by L. M. Mesa.

Fig. 1 in A new species of whiptail armored catfish, genus Pseudohemiodon (Siluriformes: Loricariidae) from the Orinoco River basin, Llanos region of Colombia and Venezuela

Fig. 1. Pseudohemiodon unillano, new species, holotype, IAvH-P 19034, 162.0 mm SL. Photograph by J. Lopez-Castaño.

Fig. 2 in A new species of whiptail armored catfish, genus Pseudohemiodon (Siluriformes: Loricariidae) from the Orinoco River basin, Llanos region of Colombia and Venezuela

Fig. 2. Pseudohemiodon unillano, paratype, IAvH-P 19088, 183.2 mm SL. Detail of mouth in live specimen. Photograph by A. Ortega-Lara.

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Fig. 3 in A new species of Farlowella (Siluriformes: Loricariidae) from the upper Bermejo River, La Plata River basin, northwestern Argentina

Fig. 3. Map of northwestern Argentina, showing the distribution of Farlowella azpelicuetae. Red star represents the type locality.

Fig. 7. Maximum-likelihood tree for the mitochondrial DNA gene Cytochrome Oxidase C subunit 1 in A new species of the catfish Neoplecostomus (Loricariidae: Neoplecostominae) from a coastal drainage in southeastern Brazil

Fig. 7. Maximum-likelihood tree for the mitochondrial DNA gene Cytochrome Oxidase C subunit 1 for specimens of Neoplecostomus microps from rio Paraíba do Sul, rio Guapi- Açu and rio Macaé, and of Neoplecostomus paraty, using TN93+G model (n=21). Neoplecostomus paranensis and Neoplecostomus ribeirensis were used as outgroups.

Fig. 6 in A new species of the catfish Neoplecostomus (Loricariidae: Neoplecostominae) from a coastal drainage in southeastern Brazil

Fig. 6. Stream on the road Parati-Cunha, Penha neighborhood, near Serra da Bocaina National Park, rio Perequê-Açú affluent, coastal drainage, Parati Municipality, Rio de Janeiro State, Brazil, near the type locality of Neoplecostomus paraty.

Fig. 5 in A new species of the catfish Neoplecostomus (Loricariidae: Neoplecostominae) from a coastal drainage in southeastern Brazil

Fig. 5. Southeastern Brazil showing geographic distribution of Neoplecostomus paraty (red circle) and Neoplecostomus microps (white circle). Type locality indicated by yellow circle. Symbols can represent more than one locality.

Fig. 3 in A new species of the catfish Neoplecostomus (Loricariidae: Neoplecostominae) from a coastal drainage in southeastern Brazil

Fig. 3. Right suspensorium in mesial view, showing the size of the sesamoid ossification (black arrow) compared to the size of the interhyal (white arrow) (a) Neoplecostomus paraty, DZSJRP 13914, 59.6 mm SL, male and (b) Neoplecostomus microps, DZSJRP 2144, 62.8 mm SL, female. Scale bars = 1 mm.

Fig. 2 in A new species of the catfish Neoplecostomus (Loricariidae: Neoplecostominae) from a coastal drainage in southeastern Brazil

Fig. 2. Branchial skeleton in dorsal view, showing the accessory process of ceratobranchial 1 (black arrow) in (a) Neoplecostomus paraty, DZSJRP 13914, 59.6 mm SL, male and (b) Neoplecostomus microps, DZSJRP 2144, 62.8 mm SL, female. Scale bars = 1 mm.

Fig. 1 in A new species of the catfish Neoplecostomus (Loricariidae: Neoplecostominae) from a coastal drainage in southeastern Brazil

Fig. 1. Holotype of Neoplecostomus paraty, new species, DZSJRP 20429, 82.2 mm SL, male, stream on the road Parati- Cunha, affluent of rio Perequê-Açú, Serra da Bocaina National Park, Parati, Rio de Janeiro State, Brazil.

Fig. 4 in A new species of the catfish Neoplecostomus (Loricariidae: Neoplecostominae) from a coastal drainage in southeastern Brazil

Fig. 4. Color pattern variation in dorsal view of (a) Neoplecostomus paraty, DZSJRP 12481, 58.9 mm SL, female, (b) Neoplecostomus paraty, DZSJRP 18726, 75.1 mm SL, male, and (c) Neoplecostomus microps, DZSJRP 13913, 91.6 mm SL, male. Detail of the light blotch, horseshoe shaped, with a central dark area (white arrow), posterior to supraoccipital.

Fig. 3 in A new species of Farlowella (Siluriformes: Loricariidae) of the F. nattereri species-group from the rio Xingu basin, Mato Grosso, Brazil, with comments on Farlowella jauruensis, a poorly-known species from the upper rio Paraguai basin

Fig. 3. Dorsal view of anterior portion of Farlowella jauruensis, MZUSP 59485, 77.6 mm SL. Note the distinctive coloration on snout. Scale bar: 5 mm.

Fig. 4 in A new species of Farlowella (Siluriformes: Loricariidae) of the F. nattereri species-group from the rio Xingu basin, Mato Grosso, Brazil, with comments on Farlowella jauruensis, a poorly-known species from the upper rio Paraguai basin

Fig. 4. Distribution of Farlowella gianetii in the upper rio Xingu basin and Farlowella jauruensis in the upper rio Paraguai basin. Symbols represent the type-locality of F. gianetii (star) and F. jauruensis (square), along with additional specimens of F. gianetii (spots) and F. jauruensis (triangles). Major rivers are indicated in the map.

Fig. 2 in A new species of Farlowella (Siluriformes: Loricariidae) of the F. nattereri species-group from the rio Xingu basin, Mato Grosso, Brazil, with comments on Farlowella jauruensis, a poorly-known species from the upper rio Paraguai basin

Fig. 2. Farlowella gianetii, Brazil: Mato Grosso, Campinápolis, rio Couto do Magalhães. MZUSP 95564 holotype, 115.6 mm SL, a) lateral, b) dorsal, and c) ventral views. Scale bar: 1 cm.

Fig. 1 in A new species of Farlowella (Siluriformes: Loricariidae) of the F. nattereri species-group from the rio Xingu basin, Mato Grosso, Brazil, with comments on Farlowella jauruensis, a poorly-known species from the upper rio Paraguai basin

Fig. 1. Lateral plate series in Farlowella gianetii (holotype, MZUSP 95564, 115.6 mm SL). Each color represents individual series or fusions referred in the text. Plate series as follows: a) dorsal, b) dorsomedian, c) median, d) ventromedian, e) ventral, f) dorsomedian+median, g) coalescent series (dorsomedian+median+ventromedian). Scale bar: 1 cm.

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Fig. 2 in Cytogenetic analysis of Baryancistrus xanthellus (Siluriformes: Loricariidae: Ancistrini), an ornamental fish endemic to the Xingu River, Brazil

Fig. 2. Karyotype of Baryancistrus xanthellus in conventional staining. The square indicates the pair that bears the nucleolus organizer region (NOR).