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Fig. 3 in A new species of Trichomycterus (Siluriformes: Trichomycteridae) from lagoa Feia drainage, southeastern Brazil

Fig. 3. Left suspensorium and opercular series of Trichomycterus caipora, UFRJ 7614, 69. 1 mm SL. Lateral view. Abbreviations: HY, hyomandibula; IO, interoperculo; MT, metapterygoid; OP, opercle; PO, preopercle; QU, quadrate. Scale bar = 1 mm.

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Fig. 1 in A new species of Trichomycterus (Siluriformes: Trichomycteridae) from lagoa Feia drainage, southeastern Brazil

Fig. 1. Trichomycterus caipora, lateral, dorsal and ventral views. Holotype, UFRJ 6583; 114.6 mm SL. Brazil, Rio de Janeiro, Conceição de Macabu, rio Macabu upstream the confluence of rio Carocango and rio Macabu.

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Fig. 3. A in Scientific Note Schooling behavior of Mugil curema (Perciformes: Mugilidae) in an estuary in southeastern Brazil

Fig. 3. A school of Mugil curema, in a fast movement pattern, with polarized individuals (observed from above).

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Fig. 2 in Scientific Note Schooling behavior of Mugil curema (Perciformes: Mugilidae) in an estuary in southeastern Brazil

Fig. 2. The distribution of individuals of Mugil curema in the water column while feeding, in a slow-movement school pattern, with polarized individuals (viewed as a cross-section of the stream).

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Fig. 1. A in Scientific Note Schooling behavior of Mugil curema (Perciformes: Mugilidae) in an estuary in southeastern Brazil

Fig. 1. A stationary school of Mugil curema, composed of small individuals in a shallow shoreline area (observed from the surface). In this situation, the fish are not polarized, and their arrangement resembles a chaotic image.

Fig. 12 in Biology and ecomorphology of stream fishes from the rio Mogi-Guaçu basin, Southeastern Brazil

Fig. 12. Projection of the 15 studied species in the two first axes of the PCA; squares represent the nektonic species; circles the benthic and the triangles the nektobenthic.

Fig. 3 in Biology and ecomorphology of stream fishes from the rio Mogi-Guaçu basin, Southeastern Brazil

Fig. 3. Representative specimens of the collected species: a) H. malabaricus (LIRP 3077; 101.8 mm SL); b) A. paranae (LIRP 3093; 47.4 mm SL); c) A. fasciatus (LIRP 3161; 48.3 mm SL); d) B. stramineus (LIRP 3157; 45.3 mm SL); e) P. argentea (LIRP 3121; 55.2 mm SL); f) C. gomesi (LIRP 3138; 32.1 mm SL); g) C. iheringi (LIRP 3127; 36.0 mm SL); h) R. quelen (LIRP 3151; 88.9 mm SL); i) P. tenebrosa (LIRP 3160; 37.3 mm SL); j) C. difluviatilis (LIRP 3056; 44.0 mm SL); l) H. ancistroides (LIRP 3122; 37.4 mm SL); m) Hisonotus sp. (LIRP 3092; 30.4 mm SL); n) E. virescens (LIRP 3080; 119.8 mm SL); o) P. jucundus (LIRP 3063; 19.8 mm SL) and p) S. marmoratus (LIRP 3097; 137.1 mm SL).

Fig. 1 in Following food clouds: feeding association between a minute loricariid and a characidiin species in an Atlantic Forest stream, Southeastern Brazil

Fig. 1. An individual of Characidium sp. positioned behind a grazing catfish, Parotocinclus maculicauda, on a large submerged rock in a fast flowing stretch of the rio do Ouro stream. Photo by R. Leitão.

Fig. 2 in Biology and ecomorphology of stream fishes from the rio Mogi-Guaçu basin, Southeastern Brazil

Fig. 2. General view of the three studied stretches in the Paulicéia stream, Mogi-Guaçu River basin; a) upper stretch, b) middle stretch and c) lower stretch.

Fig. 2 in Following food clouds: feeding association between a minute loricariid and a characidiin species in an Atlantic Forest stream, Southeastern Brazil

Fig. 2. The grazing activity of Parotocinclus maculicauda that dislodges particles, resulting in small clouds (a); and Characidium sp. standing downstream of the foraging catfish, adopting a sit-and-wait foraging tactic to feed on the particles (b). Illustration by A. Peixoto.

Fig. 6 in Biology and ecomorphology of stream fishes from the rio Mogi-Guaçu basin, Southeastern Brazil

Fig. 6. Frequency of the reproductive stages found in each month to A. paranae in the Paulicéia stream.

Fig. 1 in Biology and ecomorphology of stream fishes from the rio Mogi-Guaçu basin, Southeastern Brazil

Fig. 1. Location of the study area in the Paulicéia stream, Mogi-Guaçu River basin, State of São Paulo, Brazil; upper (21º38'45.8"S 47º38'06"W), middle (21º39'23"S 47º38'34"W) and lower (21º40'58.1"S 47º39'26.3"W) stretches.

Fig. 4 in Biology and ecomorphology of stream fishes from the rio Mogi-Guaçu basin, Southeastern Brazil

Fig. 4. Percent composition of the gut contents of the fish species with the food items grouped in the following broad categories: the autochthonous - Al = algae, An = anelideos, Mi = micro-crustaceans, Te = thecamoebas, Fi = fishes and fish scales, Ai = aquatic insects; and the allochthonous - Ti = terrestrial insects, Ar = Arachnidae, Om = organic matter and Vp = debris of vascular plants.

Fig. 9 in Biology and ecomorphology of stream fishes from the rio Mogi-Guaçu basin, Southeastern Brazil

Fig. 9. Sexual proportion of males and females of Hisonotus sp. for each size intervals of the standard length.

Fig. 2 in Scientific Note Comparing on site human and video counts at Igarapava fish ladder, Southeastern Brazil

Fig. 2. Still image capture of two Piaractus mesopotamicus and one Pimelodus maculatus, upstream direction, registered by the video counter.

Fig. 1 in Scientific Note Comparing on site human and video counts at Igarapava fish ladder, Southeastern Brazil

Fig. 1. Camera configuration with Sony Camera (DCR-TRV950) in frame center. The two vertically oriented full spectrum lights are adjacent to the window; above is the infrared light bulb.

Fig. 2 in Scientific Note Ambicoloration and morphological aberration in the sole Achirus declivis (Pleuronectiformes: Achiridae) and two other cases of color abnormalities in achirid soles from southeastern Brazil

Fig. 2. Incomplete eye rotation and incomplete development of the dorsal fin over the skull in the plainfin sole Achirus declivis (UFES 0095; 94.9 mm SL) from the Piraquê-Açú River, Espírito Santo, southeast Brazil: (a) ocular side; (b) detail of blind side of the head; (c) ocular side of the head; (d) radiograph of the head. Photographs by Raphael M. Macieira.

Fig. 1 in Scientific Note Ambicoloration and morphological aberration in the sole Achirus declivis (Pleuronectiformes: Achiridae) and two other cases of color abnormalities in achirid soles from southeastern Brazil

Fig. 1. Abnormal pigmentation patterns in the plainfin sole Achirus declivis from the Piraquê-Açú River, Espírito Santo, southeast Brazil: (a) ocular side of ambicolored 108.8 mm SL specimen (ZUEC 6274); (b) blind side of the individual represented in a; (c) ocular side of hypomelanistic specimen 119.1 mm SL (ZUEC 6275); (d) blind side of the individual represented in c. Photographs by Raphael M. Macieira.

Fig. 1 in Effects of the proximity from an industrial plant on fish assemblages in the rio Paraíba do Sul, southeastern Brazil

Fig. 1. Study area, rio Paraíba do Sul reaches. Indication of the six sampling sites and three zones - Z I (sites 1 and 2); Z II (sites: 3 and 4); and Z III (sites 5 and 6). Buffers marked in black indicate main sources of urban and industrial pollution. Dams indicated by black line marks.

Fig. 6 in Effects of the proximity from an industrial plant on fish assemblages in the rio Paraíba do Sul, southeastern Brazil

Fig. 6. Cluster analysis of fish abundance on mode Q, showing the three zones in the Paraíba do Sul river, in 1998/99. In x-axis = 1: Z I; 2: Z II; 3: Z III.