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Fig. 10 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil

Fig. 10. Monthly absolute frequency distribution of juveniles and adult individuals of Etropus crossotus in the shallow infralittoral areas of the Paranaguá Estuarine Complex. Total amostral N = 419. *Significant values (p <0.05) for chi-square test.

Fig. 8 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil

Fig. 8. First maturation length for females (a) and males (b) of Etropus crossotus in the shallow infralittoral areas of the Paranaguá Estuarine Complex. L 50 = the shortest total length (Lt), in which 50% of the individuals sampled were adults. L 100 = the shortest total length (Lt), in which 100% of the individuals sampled were adults. Female amostral N = 171, and male amostral N = 218.

Fig. 6 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil

Fig. 6. Monthly percentage frequency distribution of the gonadal maturation stages of females (a) and males (b) of Etropus crossotus in the shallow infralittoral areas of the Paranaguá Estuarine Complex. A = immature; B = maturation; C = mature; PS = partially spawned; D = spawned/emptied. The numbers indicated above the bars refer to absolute frequency.

Fig. 1 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil

Fig. 1. Location of the sampling sites in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil.

Fig. 5 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil

Fig. 5. Monthly variation of the mean GSI of females (a) and males (b) of Etropus crossotus in the shallow infralittoral areas of the Paranaguá Estuarine Complex. GSI = gonadosomatic index. The error bars correspond to the standard deviation. The numbers indicated above the error bars refer to absolute frequency.

Fig. 9 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil

Fig. 9. Monthly sex ratio (a) per length class (b) of Etropus crossotus in the shallow infralittoral areas of the Paranaguá Estuarine Complex. (a) Female amostral N = 184, and male amostral N = 237; (b) Female amostral N = 184, male amostral N = 237, and unsexed amostral N = 5. *Significant values (p <0.05) for chi-square test.

Fig. 4 in Distribution and reproductive biology of the Electric ray Discopyge tschudii Heckel, 1846 in San Matías Gulf, Northern Patagonia, Argentina

Fig. 4. Size frequency distribution of Discopyge tschudii sampled during 2004-2007. Males (dotted line) n= 564 and females (continuous line) n= 523.

Fig. 9 in Distribution and reproductive biology of the Electric ray Discopyge tschudii Heckel, 1846 in San Matías Gulf, Northern Patagonia, Argentina

Fig. 9. Relationship between total length of the female (TL) and number of embryos (N e) for Discopyge tschudii. N e (dotted line)= 0.221 X exp(0.589 X TL); R²= 0.57; n= 27.

Fig. 10 in Distribution and reproductive biology of the Electric ray Discopyge tschudii Heckel, 1846 in San Matías Gulf, Northern Patagonia, Argentina

Fig. 10. Relationship between total length (TLe) and weight (We) for embryos of Discopyge tschudii. W e(dotted line)= 7 x 10-0.5 X TL 2.63; R2= 0.80; n= 178.

Fig. 1 in Distribution and reproductive biology of the Electric ray Discopyge tschudii Heckel, 1846 in San Matías Gulf, Northern Patagonia, Argentina

Fig. 1. Study area and design of bottom trawl surveys. Strata I, II, and III: 90-130 m; stratum IV:>130 m; stratum V: 50-89 m and stratum VI: 20-49 m.

Fig.2 in Distribution and reproductive biology of the Electric ray Discopyge tschudii Heckel, 1846 in San Matías Gulf, Northern Patagonia, Argentina

Fig.2. Proportion of individuals recorded in each stratum during bottom trawl surveys. Surveys carried out in the 1980´s: REDE 1986 and Gallo 1986; surveys carried out in the 1990´s: REDE 1995 and 1996; surveys carried out in the 2000´s: REDEs 2004 to 2007.

Fig. 7 in Age, growth, and reproductive aspects of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 7. Percentages of immature (white) and mature-resting females (black) per size classes (total length, mm) for Mycteroperca marginata individuals collected in the study area. n = 111.

Fig. 6 in Age, growth, and reproductive aspects of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 6. Percentage of mature resting females for specimens of the dusky grouper (Mycteroperca marginata) collected in the study area by total length classes, fitted to a logistic function. L50 = 451.3 mm. n = 111.

Fig. 4 in Age, growth, and reproductive aspects of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 4. von Bertalanffy growth curve fitted to age-at-length data for dusky grouper specimens (Mycteroperca marginata) collected in the study area (K = 0.069 e L = 1249 mm). n = 108.

Fig. 2 in Age, growth, and reproductive aspects of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 2. Transverse section of an otolith of a 4+ year-old dusky grouper (Mycteroperca marginata) collected in the study area. The photograph was taken under a stereomicroscope (20x) and reflected light, and shows a clear differentiation between opaque (white) and translucent (dark) growth bands.

Fig. 1. A in Age, growth, and reproductive aspects of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 1. A) Patos Lagoon (10.360 km2) in southern Brazil and B) the 4.5 km long pair of rocky jetties that connect the estuarine zone of Patos Lagoon to the Atlantic Ocean. C) A detail of the west jetty and its large pieces of rock (nearly 10 ton each), located in the municipality of Rio Grande (Rio Grande do Sul state) in southern Brazil.

Fig. 5 in Age, growth, and reproductive aspects of the dusky grouper Mycteroperca marginata (Actinopterygii: Epinephelidae) in a man-made rocky habitat in southern Brazil

Fig. 5. Ovary sections of the dusky grouper (Mycteroperca marginata) collected in the study area. A) Immature gonad showing several primary germ cells (PGC) and oogonia. B) Resting gonad with small previtellogenic oocytes in chromatin nucleolus stage (CN) and in perinucleolar stage (PN).

Fig. 5 in Reproductive characteristics and the weight-length relationship in Anableps anableps (Linnaeus, 1758) (Cyprinodontiformes: Anablepidae) from the Amazon Estuary

Fig. 5. Weight-length relationship (a) and the regular (b) and polyphasic (c) distribution of the proportional residuals in Anableps anableps males collected at the mouth of the Maracanã River, Pará State.

Fig. 9 in Reproductive characteristics and the weight-length relationship in Anableps anableps (Linnaeus, 1758) (Cyprinodontiformes: Anablepidae) from the Amazon Estuary

Fig. 9. Number of eggs/embryos (a) and ovarian weight (b) relative to body size (standard length) recorded in Anableps anableps females from the mouth of the Maracanã River, Pará.

Fig. 11 in Reproductive characteristics and the weight-length relationship in Anableps anableps (Linnaeus, 1758) (Cyprinodontiformes: Anablepidae) from the Amazon Estuary

Fig. 11. Proportion of sexually mature Anableps anableps females by body size (standard length) collected in the mouth of the Maracanã River, Pará State.