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Fig. 2 in New records of non-native ants (Hymenoptera: Formicidae) in four African countries

Fig. 2. Solenopsis geminate (Fabricius, 1804). A, head in full face view; B, habitus in lateral view. © April Nobile, CASENT0104935, Antweb.org.

opencc-by-4.0Dec 1886View details →

Fig. 1 in New records of non-native ants (Hymenoptera: Formicidae) in four African countries

Fig. 1. Nylanderia bourbonica (Forel, 1886). A, head in full face view; B, habitus in lateral view. © Erin Prado, CASENT0188533, Antweb.org.

opencc-by-4.0Dec 1886View details →

Fig. 7 in New records of non-native ants (Hymenoptera: Formicidae) in four African countries

Fig. 7. Trichomyrmex mayri (Forel, 1902). A, head in full face view; B, habitus in lateral view. © Michele Esposito, CASENT0919809, Antweb.org.

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.

FIGURE 4 in Changes in ecosystem functions generated by fish populations after the introduction of a non-native predator (Cichla kelberi) (Perciformes: Cichlidae)

FIGURE 4 | Temporal decay of taxonomic and functional similarity (Bray Curtis, biomass-based) during the study period, calculated as the composition similarity of the Pre period against each Post period.

FIGURE 6 in Changes in ecosystem functions generated by fish populations after the introduction of a non-native predator (Cichla kelberi) (Perciformes: Cichlidae)

FIGURE 6 | Correlations between species richness and the intensity of ecosystem functions performed by fish populations. The significance of correlations was tested through Spearman's non-parametric correlation. Ecosystem functions: A. Energy Source; B. Habitat; C. Regional Flow (migration); D. Regional Flow (local); E. Plant Disperser; F. Engineering; G. Services.

FIGURE 5 in Changes in ecosystem functions generated by fish populations after the introduction of a non-native predator (Cichla kelberi) (Perciformes: Cichlidae)

FIGURE 5 | Correlations between species richness and (A) total biomass and (B) number of ecosystem functions performed by fish populations. The significance of correlations was tested through Spearman's non-parametric correlation.

FIGURE 3 in Changes in ecosystem functions generated by fish populations after the introduction of a non-native predator (Cichla kelberi) (Perciformes: Cichlidae)

FIGURE 3 | Ecosystem functions generated by fish populations associated with macrophyte beds in Rosana Reservoir, before (Pre) and after (Post 1 to 5) the introduction of Cichla kelberi. Mean ± standard error. Ecosystem functions: A. Energy Source; B. Habitat; C. Regional Flow (migration); D. Regional Flow (local); E. Plant Disperser; F. Engineering; G. Services.

FIGURE 1 in Changes in ecosystem functions generated by fish populations after the introduction of a non-native predator (Cichla kelberi) (Perciformes: Cichlidae)

FIGURE 1 | Species richness (A) and total biomass (B) in fish assemblages associated with macrophyte beds in Rosana Reservoir, before (Pre) and after (Post 1 to 5) the introduction of Cichla kelberi. Mean ± standard error.

FIGURE 2 in Changes in ecosystem functions generated by fish populations after the introduction of a non-native predator (Cichla kelberi) (Perciformes: Cichlidae)

FIGURE 2 | Biomass of the most abundant fish species associated with macrophyte beds in Rosana Reservoir, before (Pre) and after (Post 1 to 5) the introduction of Cichla kelberi. Mean ± standard error. A. Hemigrammus marginatus, Metynnis lippincottianus, Roeboides descalvadensis; B. Serrasalmus marginatus, Serrapinnus notomelas, Satanoperca pappaterra; C. Cichla kelberi, Eigenmannia trilineata, and Hyphessobrycon eques.

FIGURE 4 in Biotic differentiation in headwater creeks after the massive introduction of non-native freshwater aquarium fish in the Paraíba do Sul River basin, Brazil

FIGURE 4 | Contamination Index (CI) in each headwater creek in the Muriaé Ornamental Aquaculture Center, Brazil. Headwater creeks: LO = Lopes; QU = Queiroga; BS = Boa Sorte; RO = Rochedo; VA = Varginha; SL = São Luís.

FIGURE 3 in Biotic differentiation in headwater creeks after the massive introduction of non-native freshwater aquarium fish in the Paraíba do Sul River basin, Brazil

FIGURE 3 | The 10 most widespread non-native exotic fish in the studied headwater creeks located in the Muriaé Ornamental Aquaculture Center, Brazil. Only non-native species with at least 50% of occurrence were listed.

FIGURE 2 in Biotic differentiation in headwater creeks after the massive introduction of non-native freshwater aquarium fish in the Paraíba do Sul River basin, Brazil

FIGURE 2 | Richness of native (blue) and non-native species [translocated (yellow) and exotic (red)], in each headwater creek in the Muriaé Ornamental Aquaculture Center, Brazil. Headwater creeks: LO = Lopes; QU = Queiroga; BS = Boa Sorte; RO = Rochedo; VA = Varginha; SL = São Luís.

FIGURE 1 in Biotic differentiation in headwater creeks after the massive introduction of non-native freshwater aquarium fish in the Paraíba do Sul River basin, Brazil

FIGURE 1 | Sampling sites in the area affected by the Muriaé Ornamental Aquaculture Center in Brazil. Municipalities: Muriaé, Miradouro, Vieiras, and São Francisco do Glória (Total area of 1,419 km2; IBGE, 2020). Headwater creeks: LO = Lopes; QU = Queiroga; BS = Boa Sorte; RO = Rochedo; VA = Varginha; SL = São Luís.

FIGURE 5 in Biotic differentiation in headwater creeks after the massive introduction of non-native freshwater aquarium fish in the Paraíba do Sul River basin, Brazil

FIGURE 5 | Distances to the centroid obtained from the two main Principal Coordinate Analysis – PCoA axis (see Anderson et al., 2006 for further details) of fish community Jaccard dissimilarities in six headwater creeks (LO = Lopes; QU = Queiroga; BS = Boa Sorte; RO = Rochedo; VA = Varginha; SL = São Luís) sampled in historical (only native species) and in contemporary (native + non-natives) periods, in the Muriaé Ornamental Aquaculture Center, Brazil.

FIGURE 6 in Biotic differentiation in headwater creeks after the massive introduction of non-native freshwater aquarium fish in the Paraíba do Sul River basin, Brazil

FIGURE 6 | Position of six headwater creeks (LO = Lopes; QU = Queiroga; BS = Boa Sorte; RO = Rochedo; VA = Varginha; SL = São Luís), scaled by temperature (Temp, blue gradient colours), and number of ponds (Np, circle size) used to raise fish species in the nearest fish farm (i.e., anthropogenic proxy of propagule pressure) in the Muriaé Ornamental Aquaculture Center, Brazil.