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Fig. 5 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

Fig. 5. Canonical variate analysis of the organized data of the analysis cluster. Representation the four different morphotypes of asteriscus otoliths of Prochilodus nigricans. (red cross) Morphotype 3; (blue square) Morphotype 2; (purple asterisk) Morphotype 4; (green ex) Morphotype 1.

Fig. 6 in Otolith morphometry provides length and weight predictions and insights about capture sites of Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 6. Kruskall-Wallis results of the lapillus length and weight in each Prochilodus lineatus age; ages 2 and 7 were not included in analysis because they only have one sample.

Fig. 4 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

Fig. 4. Four morphotype asteriscus otolith Prochilodus nigricans established by cluster analysis from the amplitudes of wavelets. a. morphotype 1; b. morphotype 2; c. morphotype 3 and d. morphotype 4 respectively, sampled of rivers Solimões, Japurá and Negro. Scale bars: 1 mm.

Fig. 1 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

Fig. 1. Partial map of the Amazon basin showing the study area where Prochilodus nigricans were collected. Rivers: Solimões, Japurá and Negro, Brazil.

Fig. 14 in A new species of Copionodon representing a relictual occurrence of the Copionodontinae (Siluriformes: Trichomycteridae), with a CT-scan imaging survey of key subfamilial features

Fig. 14. Copionodon exotatos, holotype, MZUSP 120631, CT-scan image of posterior part of skull and Weberian capsule, dorsal view. Abbreviations: FR1, First Ray 1; CC, complex centrum; WC, Weberian capsule; VC, vertebrae centrum; PR, pleural ribs.

Fig. 15 in A new species of Copionodon representing a relictual occurrence of the Copionodontinae (Siluriformes: Trichomycteridae), with a CT-scan imaging survey of key subfamilial features

Fig. 15. Copionodon exotatos, holotype, MZUSP 120631, CT-scan images of left palatine and associated entopterygoid: a. dorsal view, b. ventral view, c. with entopterygoid removed. Abbreviations: PAL, palatine; EN, entopterygoid.

Fig. 13 in A new species of Copionodon representing a relictual occurrence of the Copionodontinae (Siluriformes: Trichomycteridae), with a CT-scan imaging survey of key subfamilial features

Fig. 13. Copionodon exotatos, holotype, MZUSP 120631, CT-scan image of opercle and interopercle, right side. Abbreviations: VOD, vestigial odontodes; OP, opercle; INT, interopercle. Lateral view.

Fig. 2 in A new mouth brooder species of Gymnogeophagus with hypertrophied lips (Cichliformes: Cichlidae)

Fig. 2. Head of Gymnogeophagus peliochelynion (first column), G. pseudolabiatus (second column) and G. mekinos (third column) showing the entirely black hump in males in G. peliochelynion (vs. yellow with black margin), and upper lip not folded dorsally over anterior margin of snout (vs. upper lip folded dorsally in G. pseudolabiatus and undeveloped in G. mekinos). G. peliochelynion from top to bottom, paratype, ZVC-P 13210, paratype, 76.3 mm SL; ZVC-P 7016, 89.9 mm SL; ZVC-P 13057, 90.2 mm SL. G. pseudolabiatus from top to bottom, paratype, UFRGS 7754, 102.0 mm SL; MHNM 4010, 88.8 mm SL; MHNM 4010, 95.3 mm SL. G. mekinos from top to bottom, MHNM 3511, 105.1 mm SL; MHNM 3511, 97.2 mm SL; MHNM 4009, 121.3 mm SL.

Fig. 1 in Otolith morphometry provides length and weight predictions and insights about capture sites of Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 1. Study area and location of sampling sites in the floodplain of the Upper Paraná River (Baía River – 1; Ivinhema Ri- ver – 2; Paraná River – 3; lagoa guaraná – 4; lagoa dos patos – 5; lagoa das garças – 6; lagoa do Osmar – 7; ressaco do paú véio – 8; lagoa fechada – 9; lagoa ventura – 10).

Fig. 3 in Otolith morphometry provides length and weight predictions and insights about capture sites of Prochilodus lineatus (Characiformes: Prochilodontidae)

Fig. 3. Fits of the linear regressions between lapillus otolith and standard length of Prochilodus lineatus: a. Otolith Length (r2 = 0.80) and b. Otolith Weight (r2 = 0.82); the shaded area represents the confidence interval of 95% of the estimate; loess fit of raw residuals are in right panels.

Fig. 9 in A new species of Copionodon representing a relictual occurrence of the Copionodontinae (Siluriformes: Trichomycteridae), with a CT-scan imaging survey of key subfamilial features

Fig. 9. Copionodon exotatos, holotype, MZUSP 120631, CT-scan image of anterior portion of skull, dorsal view. Abbreviations: PMX, premaxilla; MX, maxilla; QUA, quadrate; PO, preopercle; ME, mesethmoid; AF, anterior fontanel; FR, frontal; DEN, dentary; PAL, palatine; AA, anguloarticular; LE, lateral ethmoid; HYO, hyomandibula.

Fig. 8 in A new species of Copionodon representing a relictual occurrence of the Copionodontinae (Siluriformes: Trichomycteridae), with a CT-scan imaging survey of key subfamilial features

Fig. 8. Collection site of Copionodon exotatos, right-hand branch of Riacho do Mosquito (trib. to rio Santo Antônio, rio Paraguaçu drainage), immediately upstream from Cachoeira do Mosquito (12º21'59.51"S, 41 ºS 22"19.37"W) at exit of rock-enclosed sector.

Fig. 2 in Partial characterization of digestive proteases in sheepshead, Archosargus probatocephalus (Spariformes: Sparidae)

Fig. 2. Temperature effect on digestive proteases of juvenile of sheepshead Archosargus probatocephalus: (a) optimal temperature of acidic proteases, (b) temperature stability of acidic proteases, (c) optimal temperature of alkaline proteases, (d) temperature stability of alkaline proteases.

Fig. 5 in Fish beta diversity responses to environmental heterogeneity and flood pulses are different according to reproductive guild

Fig. 5. Relationship between beta diversity (mean distance to centroid), environmental heterogeneity and period of the hydrological cycle. a. Beta diversity of non-migratory fish species with external fertilization and parental care (NEFC); b. beta diversity of non-migratory fish species with internal fertilization (NIF).

Fig. 1 in Partial characterization of digestive proteases in sheepshead, Archosargus probatocephalus (Spariformes: Sparidae)

Fig. 1. pH effect on digestive proteases of juvenile sheepshead Archosargus probatocephalus: (a) optimal pH of acidic proteases, (b) stability of acidic proteases, (c) optimal pH of alkaline proteases, (d) stability of alkaline proteases.

Fig. 7 in Reproduction of two loricariid species in a confined river and implications for environmental impacts of dams

Fig. 7. Monthly changes in mean (± SE) gonadosomatic index (GSI; dots represent individual values) of Hemiancistrus fuliginosus (a. females; c. males) and Hypostomus isbrueckeri (b. females; d. males). Results of the Kruskal-Wallis tests: Hem. fuliginosus females, H = 47.5, df = 7, p <0.001; males, H = 6.9, df = 7, p <0.44; Hyp. isbrueckeri females, H = 14.4, df = 7, p <0.045, males H = 20.4, df = 7, p <0.005.

Fig. 5 in Partial characterization of digestive proteases in sheepshead, Archosargus probatocephalus (Spariformes: Sparidae)

Fig. 5. SDS-PAGE electrophoresis analysis of alkaline digestive proteases of Archosargus probatocephalus: BM523 (molecular weight marker Bio Basic Inc; rabbit phosphorylase B 96.7 kDa, bovine serum albumin 66.2 kDa, ovalbumin 45 kDa, carbonic anhydrase 31.0 kDa soybean trypsin inhibitor 21.5 kDa and lysozyme 14.4 kDa), Control (1); inhibitors: OVO (2), PMSF (3), SBT1 (4), TPCK (5), TLCK (6), PHEN (7) and EDTA (8).

Fig. 2 in Growth and reproduction in captivity unveils remarkable life-history plasticity in the smallnose fanskate, Sympterygia bonapartii (Chondrichthyes: Rajiformes)

Fig. 2. Egg cases and neonate of Sympterygia bonapartii born at Temaikèn Aquarium (Argentina). ah, anterior horns; mt, mucous tendrils; ph, posterior horns. Scale bar: 20 mm.

Fig. 5 in A new species of Copionodon representing a relictual occurrence of the Copionodontinae (Siluriformes: Trichomycteridae), with a CT-scan imaging survey of key subfamilial features

Fig. 5. Copionodon exotatos, paratype, MZUSP 121656, basibranchials and hypobranchials, dorsal view. Grey areas represent cartilage. Abbreviations: BB2-4, basibranchials 2 to 4; HB1-3, hypobranchials 1 to 3. Scale bar = 1 mm.

Fig. 4 in Partial characterization of digestive proteases in sheepshead, Archosargus probatocephalus (Spariformes: Sparidae)

Fig. 4. Zymogram of acid proteases from enzyme stomach extracts of Archosargus probatocephalus. Crude enzymatic extract (1), crude enzymatic extract plus Pepstatin A (2).