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Fig. 2 in Cytogenetic analysis of Baryancistrus xanthellus (Siluriformes: Loricariidae: Ancistrini), an ornamental fish endemic to the Xingu River, Brazil

Fig. 2. Karyotype of Baryancistrus xanthellus in conventional staining. The square indicates the pair that bears the nucleolus organizer region (NOR).

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Fig. 3 in Cytogenetic analysis of Baryancistrus xanthellus (Siluriformes: Loricariidae: Ancistrini), an ornamental fish endemic to the Xingu River, Brazil

Fig. 3. Karyotype of Baryancistrus xanthellus: a) C-banding; b) Mapping of rDNA 18S (red signal) and 5S (green signal) through double FISH.

FIGURE 6 in Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes

FIGURE 6 | Tlaloc candalarius. A. Male (MZ-UNICACH 7567, 71.4 mm SL); B. Female (MZ-UNICACH 7567, 78.8 mm SL); note the orange coloration of the dorsal and anal fins in the male.

FIGURE 8 in Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes

FIGURE 8 | Geographical distribution of species of the genera Tlaloc and Profundulus in southern Mexico and Central America.

FIGURE 7 in Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes

FIGURE 7 | Bony spinules in fin rays of male Tlaloc labialis, indicated by arrow (MZ-UNICACH 6740, 75.7 mm SL), articulated with the lateral surfaces of the anal fin rays.

FIGURE 3 in Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes

FIGURE 3 | Lateral view of left jaws, suspensorium and opercular series in specimens cleared and stained. A. Tlaloc portillorum (MZ-UNICACH 7222, 70.5 mm SL); B. Profundulus mixtlanensis (MZ-UNICACH 6716, 55.6 mm SL). Arrow points to dorsal margin of the interoperculum, with a long or short extension. Abbreviations: de, dentary; pm, premaxilla; ra, retroarticular; mx, maxilla; pl, palatine; qu, quadrate; ar, articular; ms, mesopterygoid; io, interopercle; sy, sympletic; hy, hyomandibula; po, preopercle; op, opercle; so, subopercle.

FIGURE 4 in Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes

FIGURE 4 | Ventral view of left lacrimal. A. Tlaloc portillorum (MZ-UNICACH 7222, 70.5 mm SL); B. T. hildebrandi (MZ-UNICACH 2266, 75.1 mm SL); C. Profundulus mixtlanensis (MZ-UNICACH 6716, 55.6 mm SL); and D. P. punctatus (MZ-UNICACH 6632, 67.3 mm SL). Arrow point to ventral margin of the lacrimal.

FIGURE 5 in Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes

FIGURE 5 | Male general morphology and caudal fin squamation, life colour patterns in: A. Tlaloc labialis; and B. Profundulus punctatus. Solid arrow points to the squamation of the caudal fin, dashed arrow points to the humeral spot.

FIGURE 1 in Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes

FIGURE 1 | Morphometric characters, based on sketches of Profundulus in lateral view. Morphometric measurements in the Material and Methods section.

FIGURE 2 in Redescription and diagnoses of the genera Profundulus and Tlaloc (Cyprinodontiformes: Profundulidae), Mesoamerican endemic fishes

FIGURE 2 | Ventral view of the neurocranium, in specimens cleared and stained. A. Tlaloc portillorum (MZ-UNICACH 7222, 70.5 mm SL); B. Vomer region of T. candalarius (MZ-UNICACH 3899, 61.7 mm SL); C. Vomer region of Profundulus kreiseri (MZ-UNICACH 7214, 59.6 mm SL); and D. Neurocranium of P. mixtlanensis (MZ-UNICACH 6716, 55.6 mm SL). Abbreviations: V, vomer (Y-shaped); E, lateral ethmoid; M, mesethmoid; P, parasphenoid; AF, autopterotic fossa.

Fig. 6 in Ecophysiological responses to the effect of annual management on an endemic viviparous fish in central plateau of México

Fig. 6. Bimonthly structure of the population of G. multiradiatus in San Martin. Shows the curves of growth with the von Bertalanffy model for highly seasonal cycles. Upon reaching the asymptotic curve determines the final class of each age cohort.

Fig. 5 in Ecophysiological responses to the effect of annual management on an endemic viviparous fish in central plateau of México

Fig. 5. General structure of the population of San Martín mexcalpique. The numbers in parentheses indicate the percentage of each size class of the total population.

Fig. 8 in Ecophysiological responses to the effect of annual management on an endemic viviparous fish in central plateau of México

Fig. 8. Percentages of each food components found in the digestive tract of G. multiradiatus during a hydrological cycle in san Martín dam.

Fig. 4 in Ecophysiological responses to the effect of annual management on an endemic viviparous fish in central plateau of México

Fig. 4. Number of individuals (bars) and mean biomass of the population (line curve) of mexcalpiques during a hydrological cycle.

Fig. 2 in Ecophysiological responses to the effect of annual management on an endemic viviparous fish in central plateau of México

Fig. 2. Ombrothermic diagram for San Martin dam, Amealco, Qro. It shows hydrological periods of importance to the life cycle of mexcalpique.

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Fig. 2. Area diagram depicting relationships among the 24 in Biogeography of freshwater fishes from the Northeastern Mata Atlântica freshwater ecoregion: distribution, endemism, and area relationships

Fig. 2. Area diagram depicting relationships among the 24 coastal drainages analyzed, obtained by parsimony analysis of endemicity based on freshwater fishes. The topology represents the strict consensus of five equally parsimonious trees obtained through a heuristic search (length= 71 steps, CI = 0.521, RI = 0.709).

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Fig. 1 in Biogeography of freshwater fishes from the Northeastern Mata Atlântica freshwater ecoregion: distribution, endemism, and area relationships

Fig. 1. Map showing the Northeastern Mata Atlântica ecoregion, the rivers included in the PAE, and the groups recovered from the analysis. Adjacent freshwater ecoregions are: (327) São Francisco, (329) Paraíba do Sul, and (344) Upper Paraná.

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Fig. 2 in Diet and ecomorphological relationships of an endemic, species-poor fish assemblage in a stream in the Iguaçu National Park

Fig. 2. Ordenation of the fish fauna in Jumelo stream, Iguaçu National Park, Paraná, Brazil, produced by the first two axes of the principal components analysis (PCA 1 and PCA 2) applied to the correlation of 15 ecomorphological indices and the mouth orientations of the fish species.

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Fig. 1 in Diet and ecomorphological relationships of an endemic, species-poor fish assemblage in a stream in the Iguaçu National Park

Fig. 1. Study area. Collection point in stream Jumelo, region of the Iguaçu National Park in the Brazilian state of Paraná and Gonçalves Dias River in the Iguaçu River Basin, Santa Tereza do Oeste, Paraná.