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Fig. 6 in The Neotropical Fish Subfamily Cynodontinae (Teleostei: Ostariophysi: Characiformes): A Phylogenetic Study and a Revision of Cynodon and Rhaphiodon

Fig. 6. Anterior and orbital regions of neurocranium of Hydrolycus wallacei, MZUSP 32638; left side, lateral view, anterior to left.

Fig. 5 in The Neotropical Fish Subfamily Cynodontinae (Teleostei: Ostariophysi: Characiformes): A Phylogenetic Study and a Revision of Cynodon and Rhaphiodon

Fig. 5. Anterior and orbital regions of neurocranium of Hydrolycus armatus, MZUSP 32607; left side, lateral view, anterior to left.

Fig. 4 in The Neotropical Fish Subfamily Cynodontinae (Teleostei: Ostariophysi: Characiformes): A Phylogenetic Study and a Revision of Cynodon and Rhaphiodon

Fig. 4. Anterior and orbital regions of neurocranium of Hydrolycus scomberoides, MZUSP 32093; left side, lateral view, anterior to left.

Fig. 3 in The Neotropical Fish Subfamily Cynodontinae (Teleostei: Ostariophysi: Characiformes): A Phylogenetic Study and a Revision of Cynodon and Rhaphiodon

Fig. 3. Antorbital of (A) Hydrolycus tatauaia MZUSP 32630, and (B) Cynodon gibbus MZUSP 32587, left side, medial view, anterior to right.

Fig. 27 in The Neotropical Fish Subfamily Cynodontinae (Teleostei: Ostariophysi: Characiformes): A Phylogenetic Study and a Revision of Cynodon and Rhaphiodon

Fig. 27. Map of South America showing geographic distribution of Rhaphiodon vulpinus (type locality inexact = ''Brasiliae fluviis'' [= rivers of Brazil]. Some symbols represent more than one lot of specimens or locality.

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Figure 4 in Optimal FOraging OF NeOtrOpical Otters (CarnivOra: Mustelidae) in an urban river and predOminance OF generalist and sedentary fish in their diet

Figure 4. Results of the Ivlev's selectivity index for the dataset from: (A) May 2006 to September 2007; (B) September 2006 to January 2007 (wet season); (C) February to August 2007 (dry season).

Fig. 6 in Ontogenetic variations and feeding habits of a Neotropical annual fish from southern Brazil

Fig. 6. Contribution of Mollusca, Annelida, Crustacea, Arachnida, autochthonous insects, allochthonous insects, fish and scales and plant material to the diet of nine standard length classes of Cynopoecilus fulgens Costa, 2002 in a temporary flooded area in the coastal plain of State of Rio Grande do Sul, Brazil, according to the ordering from non-metric multidimensional scaling analysis (nMDS) with cluster overlap. The larger the gray circle, the higher volumetric frequency values of the items.

Fig. 2 in Ontogenetic variations and feeding habits of a Neotropical annual fish from southern Brazil

Fig. 2. General view of the sampling points of Cynopoecilus fulgens Costa, 2002 in a temporary flooded area in the coastal plain of State of Rio Grande do Sul, Brazil.

Fig. 5 in Ontogenetic variations and feeding habits of a Neotropical annual fish from southern Brazil

Fig. 5. Ordering according to non-metric multidimensional scaling analysis (nMDS) with cluster overlap (traces), utilizing the Bray-Curtis similarity coefficient, comparing the diets of the different standard length classes of Cynopoecilus fulgens Costa, 2002 in a temporary flooded area in the coastal plain of State of Rio Grande do Sul, Brazil.

Fig. 1 in Ontogenetic variations and feeding habits of a Neotropical annual fish from southern Brazil

Fig. 1. Map of the study area, showing Lagoa dos Barros, municipality of Mostardas, State of Rio Grande do Sul, Brazil.

Fig. 8 in Ontogenetic variations and feeding habits of a Neotropical annual fish from southern Brazil

Fig. 8. Trophic niche breadth values calculated by Levins index (Ba) for the diet of nine classes of standard length of Cynopoecilus fulgens Costa, 2002 in a temporary flooded area in the coastal plain of State of Rio Grande do Sul, Brazil (SL1 Ba = 0.279; SL2 Ba = 0.243; SL3 Ba = 0.352; SL4 Ba = 0.347; SL5 Ba = 0.366; SL6 Ba = 0.431; SL7 Ba = 0.404; SL8 Ba = 0.553; and SL9 Ba = 0.511). Gray bars indicate a small niche breadth, while the black bars indicate an intermediate niche breadth.

Fig. 4 in Ontogenetic variations and feeding habits of a Neotropical annual fish from southern Brazil

Fig. 4. Costello graphics showing the proportion of food items found in the diet of nine standard length classes of Cynopoecilus fulgens Costa, 2002 in a temporary flooded area in the coastal plain of State of Rio Grande do Sul, Brazil.

Fig. 3 in Ontogenetic variations and feeding habits of a Neotropical annual fish from southern Brazil

Fig. 3. Frequency (abundance) of Cynopoecilus fulgens Costa, 2002 individuals collected in a temporary flooded area in the coastal plain of State of Rio Grande do Sul, Brazil, separated in size classes for each month.

Fig. 2 in Trophic relationships in fish assemblages of Neotropical floodplain lakes: selectivity and feeding overlap mediated by food availability

Fig. 2. Ordination by principal coordinate analysis (PCoA) of the food resource availability for six floodplain lakes along the Upper Paraná River, Paraná-Mato Grosso do Sul. AQI = aquatic insects; OAI = other aquatic invertebrates; OTI = other terrestrial invertebrates; PLA = plants; TRI = terrestrial insects.

Fig.5 in Trophic relationships in fish assemblages of Neotropical floodplain lakes: selectivity and feeding overlap mediated by food availability

Fig.5. Relationship between the mean of the proportional overlap Index (IS) and the scores of the first PCoA axis of resource availability in isolated floodplain lakes along the upper Paraná River.Values of IS closer to 1 indicates greater diet overlap. The mean IS was calculated based on individuals of 3 (ZÉ = ZÉ Marinho), 7 (Carioca = Car), 4 (TiÃo = Tia), 5 (Genipapo = Gen), 2 (CidÃo = Cid) and 5 species (Canal = Can).AQI = aquatic insects; PLA = plants.

Fig. 1 in Trophic relationships in fish assemblages of Neotropical floodplain lakes: selectivity and feeding overlap mediated by food availability

Fig. 1. Locations of the lakes on the upper Paraná River floodplain, Brazil: 1, Canal do Meio; 2, Carioca; 3, ZÉ Marinho; 4, CidÃo; 5, Genipapo; 6, TiÃo.

Fig. 4 in Trophic relationships in fish assemblages of Neotropical floodplain lakes: selectivity and feeding overlap mediated by food availability

Fig. 4. Relationship of the mean the Schoener's Index (O) between pairs of species and the scores of the first PCoA axis of resource availability in isolated floodplain lakes along the upper Paraná River. The mean O was calculated based on 10 (ZÉ = ZÉ Marinho), 28 (Carioca = Car), 6 (TiÃo = Tia), 21 (Genipapo = Gen), 3 (CidÃo = Cid) and 10 (Canal = Can) pairs of species. AQI = aquatic insects; PLA = plants.

Fig. 3 in Trophic relationships in fish assemblages of Neotropical floodplain lakes: selectivity and feeding overlap mediated by food availability

Fig. 3. Relationships between feeding selectivity by fish and the availability of food resources for six floodplain lakes along the Upper Paraná River, ParanáMato Grosso do Sul. Shape of data distribution (envelope effect) was significant.

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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.