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Fig. 2 in Variação temporal e espacial na dieta de Trachelyopterus galeatus (Siluriformes, Auchenipteridae) em dois reservatórios no semiárido Neotropical

Fig. 2. LocalizaÇão dos pontos de coletas, nos reservatórios de Santa Cruz (A) e de Umarí (B), Rio Grande do Norte, Brasil nos períodos de fevereiro, maio, agosto e novembro de 2013.

Fig. 5 in Variação temporal e espacial na dieta de Trachelyopterus galeatus (Siluriformes, Auchenipteridae) em dois reservatórios no semiárido Neotropical

Fig. 5. EsQuema da cabeÇa de Trachelyopterus galeatus (Linnaeus, 1766) com a boca fechada (A1) e aberta (A2) (1, barbilhão maxilar; 2, barbilhão mentoniano).

Fig. 6 in Variação temporal e espacial na dieta de Trachelyopterus galeatus (Siluriformes, Auchenipteridae) em dois reservatórios no semiárido Neotropical

Fig. 6. EsQuema da localizaÇão dos dentes de Trachelyopterus galeatus (Linnaeus, 1766) na maxila superior (A1) e na inferior (A2) (1, placa dentígera; 2, botões gustativos); localização das duas placas ósseas, contendo dentes faríngeos em destaque (círculo).

Fig. 1 in Variação temporal e espacial na dieta de Trachelyopterus galeatus (Siluriformes, Auchenipteridae) em dois reservatórios no semiárido Neotropical

Fig. 1. PrecipitaÇão pluviomÉtrica acumulada nos meses de fevereiro, maio, agosto e novembro de 2013, no reservatório de Santa Cruz, município de Apodi, e no reservatório de Umari, município de Upanema, Rio Grande do Norte, Brasil (Fonte dos dados: EMPARN, 2016).

Fig. 4 in Variação temporal e espacial na dieta de Trachelyopterus galeatus (Siluriformes, Auchenipteridae) em dois reservatórios no semiárido Neotropical

Fig. 4. RepresentaÇão dos dois primeiros eixos da NMDS (Eixo1: 0,30 e Eixo 2: 0,26) demonstrando a variação no consumo de recursos alimentares por Trachelyopterus galeatus (Linnaeus, 1766) nos reservatórios de Santa Cruz {e de Umari …, Rio Grande do Norte, Brasil nos períodos de fevereiro, maio, agosto e novembro de 2013.

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Fig. 6 in Biometry of neotropical invertebrates inhabiting floodplain rivers: unraveling bionomy

Fig. 6. Fit levels obtained from freshwater invertebrates metric-DW lineal regressions. L= length, W= width and other metrics= "W" for clams, "D2" for apple snails and "Tibia" for mayflies. Invertebrates were collected in the Paraná River floodplain from 2005 through 2014.

Figura 3 in Variação temporal e espacial na dieta de Trachelyopterus galeatus (Siluriformes, Auchenipteridae) em dois reservatórios no semiárido Neotropical

Figura 3. RepresentaÇão dos dois primeiros eixos da NMDS, mostrando a variaÇão no consumo de recursos alimentares por Trachelyopterus galeatus (Linnaeus, 1766) nos reservatórios de Santa Cruz (A) (Eixo 1: 0,36 e Eixo 2: 0,22) e de Umari (B) (Eixo 1: 0,37 e Eixo 2: 0,30), Rio Grande do Norte, Brasil nos períodos de fevereiro …, maio {, agosto ' e novembro U de 2013.

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Fig. 1 in Influence of feeding plasticity on the fitness of small Neotropical characids

Fig. 1. Study area in the Pantanal of Mato Grosso do Sul State, Brazil. A and B indicate the sampling sites in lagoons associated with the Miranda River.

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Fig. 2 in Influence of feeding plasticity on the fitness of small Neotropical characids

Fig. 2. Food resources (% IAi) consumed by Hyphessobrycon eques, Odontostilbe pequira, Psellogrammus kennedyi and Serrapinnus calliurus, in the lagoons A and B (Ain, aquatic invertebrates; Tin, terrestrial invertebrates; Tes, Testacea; FSc, fish scale; Pla, plant; Alg, algae; Det, detritus).

Fig. 7 in Variação temporal e espacial na dieta de Trachelyopterus galeatus (Siluriformes, Auchenipteridae) em dois reservatórios no semiárido Neotropical

Fig. 7. EsQuema dos arcos branQuiais de Trachelyopterus galeatus (Linnaeus, 1766) (A, rastros branQuiais; 2, filamentos branQuiais; B, estômago saciforme).

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Fig. 9 in Biometry of neotropical invertebrates inhabiting floodplain rivers: unraveling bionomy

Fig. 9. Box-plot of invertebrates AFDW/DW. Significance values (p) of Mann-Whitney pairwise comparisons are showed on the lower-right side. P-values: * p= 0.01-0.05; ** p<0.01-0.001; *** p<0.001. Invertebrates were collected in the Paraná River floodplain from 2005 through 2014.

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Fig. 8 in Biometry of neotropical invertebrates inhabiting floodplain rivers: unraveling bionomy

Fig. 8. Values of slopes (=b) of regression equations obtained for metrics-DW relationships. Invertebrates were collected in the Paraná River floodplain from 2005 through 2014.

Fig. 5 in A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization

Fig. 5. Maximum-likelihood trees constructed from (a) 18S rRNA and (b) COI sequences of Dracunculus jaguape n. sp. from Lontra longicaudis in Argentina compared with available sequences. Best-fitting substitution models using the Maximum-Likelihood model test were determined with the Akaike Information Criterion. Kimura 2-parameter was selected as the best model for 18S rRNA and Tamura-Nei with a discrete Gamma distribution was selected as the best model for COI. Numbers represent bootstrap support generated from 1000 replications. GenBank accession numbers are shown. Boldface indicates the strain identified in this study. Scale bars indicate nucleotide substitutions/site.

Fig. 4. Dracunculus jaguape n in A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization

Fig. 4. Dracunculus jaguape n. sp. (a) Cephalic extremity of a male, lateral view. (b) Male tail, lateral view showing the spicules, and papillae. (c) Schematic male tail in ventral view. (d) Detailed of the spicule. (e) Detail of the gubernaculum.

Fig. 3. Dracunculus jaguape n in A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization

Fig. 3. Dracunculus jaguape n. sp. (a) Anterior extremity of a male showing the oesophagus swelling, deirid and nerve ring. (b) Cephalic extremity, lateral view showing the cephalic papillae. (c) Anterior extremity of a gravid female. (d) Cephalic extremity, lateral view. (e) Detail of dorsal papillae, (f) Larvae with long and tapered tail, removed from the uterus. a: anus, d: deirid, ep: excretory pore, nr: nerv ring, s: glandular oesophagus swelling, o-i: oesophagus-intestine junction, p: papillae.

Fig. 2 in A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization

Fig. 2. Neotropical otters (Lontra longicaudis) dead and Dracunculus parasites in subcutaneous tissues.

Fig. 4 in New and previously known ectoparasitic monogenoids (Platyhelminthes) on native and non-native fishes from tributaries of the Usumacinta River basin (southern Mexico), a Neotropical transition zone

Fig. 4. Copulatory complexes of Ligictaluridus mirabilis (Mueller 1937; Klassen and Beverley-Burton (1985) on Southern blue catfish Ictalurus meridionalis (Ictaluridae) from the Usumacinta river basin (southern Mexico). A – copulatory complex in ventral view; B – copulatory complex in dorsal view. Abbreviations: mco – male copulatory organ; ap – accessory piece.

Fig. 1. Icelanonchohaptor tropicalis n in New and previously known ectoparasitic monogenoids (Platyhelminthes) on native and non-native fishes from tributaries of the Usumacinta River basin (southern Mexico), a Neotropical transition zone

Fig. 1. Icelanonchohaptor tropicalis n. sp. on the Usumacinta buffalo Ictiobus meridionalis (Catostomidae) from the Usumacinta river basin (southern Mexico). A – whole mount (composite, dorsal view); B – vagina; C – copulatory complex (ventral view); D – egg; E – Haptor; F – Hook. Abbreviations: mco – male copulatory organ; ap – accessory piece; sv – seminal vesicle.

Fig. 3 in New and previously known ectoparasitic monogenoids (Platyhelminthes) on native and non-native fishes from tributaries of the Usumacinta River basin (southern Mexico), a Neotropical transition zone

Fig. 3. Haptoral and copulatory complex sclerites of Heteropriapulus heterotylioides n. sp. on Pterygoplichthys pardalis (Loricariidae) from the Usumacinta river basin (southern Mexico). A, B, and C – copulatory complexes (A and C in dorsal view; B in ventral view); D – ventral anchor; E – hook; F, G and H – dorsal anchors; I and J – ventral bars; K and L – dorsal bars; M – vaginal tube.

Fig. 2. Heteropriapulus simplexioides n in New and previously known ectoparasitic monogenoids (Platyhelminthes) on native and non-native fishes from tributaries of the Usumacinta River basin (southern Mexico), a Neotropical transition zone

Fig. 2. Heteropriapulus simplexioides n. sp. on Pterygoplichthys pardalis (Loricariidae) from the Usumacinta river basin (southern Mexico). A – whole mount (composite, ventral view); B, C, and E – copulatory complexes; D – ventral anchor; F – dorsal anchor; G – hook; H – dorsal bar; I – ventral bar.