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Fig. 11 in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 11. Temporal variation of the mean values of the gonadosomatic relationship (GSR) of the Bay whiff in the Mamanguá Inlet. Bars= standard deviation.

Fig. 7 in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 7. Bay whiff oocytes at different developmental stages: a)chromatin-nucleolar (CN), perinucleolar (PN), yolk vesicles and mature stages (M), H-E, 40 X; b) yolk vesicles and secondary yolk stage, and α and β atresia, H-E, 40 X; c) primary yolk stage and early β atresia, H-E, 40 X; d) high numbers of α and β atresia, H-E, 10 X; e) and f) post-ovulatory follicles (POF), H-E, 40 X.

Fig. 4 in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 4. Mean values of the alometric condition factor (K) and "K estimated to C. spilopterus in the Mamanguá Inlet.

Fig. 2. T-S in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 2. T-S diagram for the Mamanguá Inlet based on (a) surface and (b) bottom data of temperature and salinity from March 1990 to March 1992. Lines represent the values of the South Atlantic Central Waters, calculated from coefficients of the mean T-S expressions based in Miranda (1985).

Fig. 3 in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 3. Spatial variation of the average length of Citharichthys spilopterus in the Mamanguá Inlet. Bars= standard deviation.

Fig. 9 in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 9. Rates of follicular atresia in the ovaries of C. spilopterus captured at Mamanguá Inlet: a) percentage of females presenting á or older atresia; b) maximum rates of atresia by females in each oceanographic station on March and May 1990.

Fig. 6 in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 6. Proportion of males (a) and females (b) of the Bay whiff in each macroscopic maturity stage considered in this study. Stars means significantly different - tested by Chisquare (χ2).

Fig. 1 in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 1. Sampled area for Citharichthys spilopterus in the Mamanguá Inlet, Rio de Janeiro, Brazil. Modified from Bernardes (1995). Five oceanographic stations and four satations in the margins of the beaches are indicated with numbers.

Figure 1 in Sexual anatomy of the flounder Citharichthys spilopterus (Paralichthyidae)

Figure 1. – Female visceral cavity of the flounder Citharichthys spilopterus. A: Left lateral view; B: Urinary papilla (on blind side); C: Dorsal view of the ovaries; D: Cross section of the inferior caudal region. Transect d-d' in figure A corresponds to figure D.

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Fig. 5 in Reproductive and population dynamics of the Bay whiff Citharichthys spilopterus Günther, 1862 (Pleuronectiformes: Paralichthyidae) in the Mamanguá Inlet, Rio de Janeiro, Brazil

Fig. 5. Analyses of the sex ratio of C. spilopterus: a) by length groups and b) by months.

Figure 3 in Sexual anatomy of the flounder Citharichthys spilopterus (Paralichthyidae)

Figure 3. – Maturation of the gonads of the flounder Citharichthys spilopterus. A-E: Left side view of maturation stages of the ovaries; F-J: Left side view of the maturation of the testes and the spermatic ducts.

Figure 2 in Sexual anatomy of the flounder Citharichthys spilopterus (Paralichthyidae)

Figure 2. – Male visceral cavity of the flounder Citharichthys spilopterus. A: Left lateral view with immature testes; B: Urogenital papilla (on blind side); C: Left mature testis and spermatic duct; D: Cross section of testes, archinephric ducts, and first anal pterygiophore; E: Cross section of urinary bladder and mature spermatic ducts. Transects d-d' and e-e' in figure C correspond to fig- ures D and E, respectively.

Figure 4 in Sexual anatomy of the flounder Citharichthys spilopterus (Paralichthyidae)

Figure 4. – Mean and standard error values of the gonadosomatic index (GSI) by month. A: Females; B: Males. The number of individuals analysed by month is indicated.

Figure 5 in Sexual anatomy of the flounder Citharichthys spilopterus (Paralichthyidae)

Figure 5. – Histological aspects (haematoxylin and eosin, and Masson trichrome) of the reproductive system of Citharichthys spilopterus. A: Cross section of the mature ovary (samples in March); B: Increased view of an ovigerous lamella showing oocytes at different stages of development (samples in January); C: Cross section of both testes and archinephric ducts; D: Organization of cysts connected by interstitial tissue of the testis; E: Cross section of the urinary bladder and both spermatic ducts; F: Cross section of the left spermatic duct showing spermatic ductules plenty of sperm (C-F, from samples in February and March). L = lumen, LA = ovarian lamellae, PG = primary growth oocytes, PGca = primary growth oocytes cortical alveoli, PGmn = primary growth oocytes nucleoli, PGpn = primary growth oocytes perinucleoli, Sc = primary spermatocytes, the double arrow limit a cyst, SG = secondary growth oocytes, Sg = spermatogonia, SGe = secondary early oocytes, SGI = secondary late oocytes, St = spermatids, the double arrow limit a cyst, Sz = spermatozoa, TL = testicular lobule; bv = blood vessel, ce = columnar epithelium, ct = connective tissue, m = muscle, p = peritoneum.