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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.

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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. 4 in A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil

Fig. 4. Scatter diagram of Sheared Principal Components analysis of combined samples of Microglanis leniceae (diamond, n = 6), M. carlae (squares, n = 9), and M. cottoides (triangle, n = 7).

Fig. 1 in A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil

Fig. 1. Microglanis leniceae, holotype, ZUFMS 4148, 33.0 mm SL, rio Betione, Miranda, Mato Grosso do Sul State, Brazil.

Fig. 3 in A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil

Fig. 3. Geographic distribution of Microglanis leniceae in states of Mato Grosso (MT) and Mato Grosso do Sul (MS) (yellow star = type locality). Brazilian states acronyms: GO = Goiás; SP = São Paulo.

Fig. 2 in A new species of bumblebee catfish of the genus Microglanis (Siluriformes: Pseudopimelodidae) from the upper rio Paraguay basin, Brazil

Fig. 2. Dorsal view of right pectoral-fin spine of holotype (ZUFMS 4148, 33.0 mm SL) of Microglanis leniceae, from the upper rio Paraguay basin, Mato Grosso State, Brazil. Scale bar = 1 mm.

Fig. 8 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 8. Geographic distribution of Parotoncinclus spilurus in upper Jaguaribe, Ceará State, northeastern Brazil. Open symbol represents type locality Icó Municipality, rio Salgado, rio Jaguaribe basin.

Fig. 9 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 9. The putative type locality of Parotocinclus spilurus, Brazil, Ceará, Icó, rio Salgado, rio Jaguaribe basin.

Fig. 7 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 7. Dermal plates at posterior end of caudal peduncle of Parotocinclus spilurus, topotype, UFRN 1300, male, 40.2 mm SL. Arrow indicates odontodes dorsally or posterodorsally directed and modified into a cluster. Scale bar = 1 mm.

Fig. 5 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 5. Ventral view of abdominal region showing the lateral plates and preanal platelets arranged in T-shape in Parotocinclus spilurus. Abbreviations: LAPS, lateral abdominal plates series; MAPS, median abdominal plate series; PAR, pre-anal region.

Fig. 4 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 4. Parotocinclus spilurus, live (UFRN 1255, 37.2 mm SL) specimen just after collection from rio Salgado (type locality), Icó, Ceará.

Fig. 1 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 1. Lateral, dorsal, and ventral views of Parotocinclus spilurus, holotype ANSP 69403, 28.6 mm SL female; Brazil, Ceará State, Icó Municipality, rio Salgado, rio Jaguaribe basin.

Fig. 6 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 6. Ventral view of pectoral girdle of Parotocinclus spilurus, UFRN 0321, 34.9 mm SL, female. Abbreviations: AFO, arrector fossa opening; CL, cleithrum; CO, coracoid.

Fig. 2 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 2. Lateral, dorsal, and ventral views of Parotocinclus spilurus, topotype UFRN 1255, 37.2 mm SL, female; Brazil, Ceará State, Icó Municipality, rio Salgado, rio Jaguaribe basin.

Fig. 3 in Redescription of the endangered hypoptopomatine catfish Parotocinclus spilurus (Fowler, 1941) (Siluriformes: Loricariidae) from the upper rio Jaguaribe basin, northeastern Brazil

Fig. 3. Ontogenetic variation in Parotocinclus spilurus topotypes, UFRN 0321, 0389, UFPB 9989, specimens A to C between 46.5-30.5 mm SL, D to G between 26.9-21.6 mm SL. Specimens represented in scale.

Fig. 4 in Photo-identification as a technique for recognition of individual fish: a test with the freshwater armored catfish Rineloricaria aequalicuspis Reis & Cardoso, 2001 (Siluriformes: Loricariidae)

Fig. 4. Percentage of correct matches (a) and expended minutes (b) between naked-eye and computer-assisted field test photo-identification for individual recognition of Rineloricaria aequalicuspis (n = 9). Boxplots show median (central thicker line), first and third quartile (box limits), 95% confidence interval of median (whiskers), and outliers.

Fig. 3 in Photo-identification as a technique for recognition of individual fish: a test with the freshwater armored catfish Rineloricaria aequalicuspis Reis & Cardoso, 2001 (Siluriformes: Loricariidae)

Fig. 3. Variation in number, shape, size and organization of the bony plates covering the abdominal surface of six different Rineloricaria aequalicuspis individuals with more than 10 cm total length. These are examples of photographs taken during the field test. (a) 175 mm TL; (b) 138 mm TL; (c) 156 mm TL; (d) 145 mm TL; (e) 141 mm TL; (f) 151 mm TL.

Fig. 2 in Photo-identification as a technique for recognition of individual fish: a test with the freshwater armored catfish Rineloricaria aequalicuspis Reis & Cardoso, 2001 (Siluriformes: Loricariidae)

Fig. 2. Diagram showing the steps employed to assess the performance of photo-identification technique in laboratory (a) and field (b) conditions for Rineloricaria aequalicuspis.

Fig. 1 in Photo-identification as a technique for recognition of individual fish: a test with the freshwater armored catfish Rineloricaria aequalicuspis Reis & Cardoso, 2001 (Siluriformes: Loricariidae)

Fig. 1. Lateral, dorsal and ventral views of a Rineloricaria aequalicuspis individual (110 mm TL). Ventral view shows the arrangement of the abdominal plates. Photograph courtesy of L. R. Malabarba.