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Fig. 6 in Reproductive biology of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the Southwestern Atlantic Ocean (34ºS - 42ºS)

Fig. 6. Seasonal variation in gonadosomatic (GSI) and hepatosomatic (HSI) indexes for a.-b. males and c.-d. females of Atlantoraja cyclophora. The number of samples analyzed is between parentheses. The boxes represent the interquartile range between Q1 and Q3 with the 50% of data, the central line represents the median value and whiskers extend to the maximum and minimum values

Fig. 1 in Diet composition and feeding habits of the eyespot skate, Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae), off Uruguay and northern Argentina

Fig. 1. Study area showing the location of trawl stations (black dots) and cells of the fishing grid (black rectangles) where individuals of Atlantoraja cyclophora were captured off North Argentina and Uruguay.

Fig. 4 in Diet composition and feeding habits of the eyespot skate, Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae), off Uruguay and northern Argentina

Fig. 4. Mean number of shrimps and teleosts consumed for Atlantoraja cyclophora from off Uruguay and northern Argentina by season and region, respectively.

Fig. 3 in Diet composition and feeding habits of the eyespot skate, Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae), off Uruguay and northern Argentina

Fig. 3. Changes in consumption of different prey with body size, maturity stage, season and region of Atlantoraja cyclophora from off Uruguay and northern Argentina estimated by generalized linear models for number of shrimps, crabs and teleosts. In shrimps: warm season with solid lines and open circles; cold season with dashed lines and solid circles. In teleosts: north region with solid lines and open circles; south region with dashed lines and solid circles.

Fig. 2 in Diet composition and feeding habits of the eyespot skate, Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae), off Uruguay and northern Argentina

Fig. 2. Cumulative mean Shannon diversity index as a function of sample size for prey of Atlantoraja cyclophora from off Uruguay and northern Argentina. Dashed lines indicate standard deviation.

Fig. 5 in Diet composition and feeding habits of the eyespot skate, Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae), off Uruguay and northern Argentina

Fig. 5. Quantile regressions of carapace width (CW) of crabs, cephalothorax length (CL) of shrimps and total length (TL) of teleosts and total length of Atlantoraja cyclophora. The solid, dashed and dotted lines are 5%, 50% and 95% quantile regressions, respectively.

Fig. 5 in Distribution, abundance and morphometry of Atlantoraja cyclophora (Regan, 1903) (Elasmobranchii: Rajidae) in southern Brazil, Southwestern Atlantic

Fig. 5. Relation between eviscerated body weight (g) and total length (cm) in males (n=198) and females (n=226) of Atlantoraja cyclophora.

Fig. 3 in Distribution, abundance and morphometry of Atlantoraja cyclophora (Regan, 1903) (Elasmobranchii: Rajidae) in southern Brazil, Southwestern Atlantic

Fig. 3. Frequency of occurrence of males (black columns, n = 130) and females (white column, n = 111) of Atlantoraja cyclophora by total length size classes of 1 cm in the summer surveys.

Fig. 2 in Distribution, abundance and morphometry of Atlantoraja cyclophora (Regan, 1903) (Elasmobranchii: Rajidae) in southern Brazil, Southwestern Atlantic

Fig. 2. Frequency of occurrence of males (black columns, n = 103) and females (white columns, n = 115) of Atlantoraja cyclophora by total length size classes of 1 cm in the winter surveys.

Fig. 1 in Distribution, abundance and morphometry of Atlantoraja cyclophora (Regan, 1903) (Elasmobranchii: Rajidae) in southern Brazil, Southwestern Atlantic

Fig. 1. Maps with the distribution of Atlantoraja cyclophora in southern Brazil according to sex (males = a and c; females = b and d) and season. Black circles represent CPUE as kg/h; 40 to 50 kg/h; 30 to 39,9 kg/h; 20 e 29,9 kg/h; 10 to 19.9 kg/h;

Fig. 4 in Distribution, abundance and morphometry of Atlantoraja cyclophora (Regan, 1903) (Elasmobranchii: Rajidae) in southern Brazil, Southwestern Atlantic

Fig. 4. Relation between total body weight (g) and total length (cm) in males (n=203) and females (n=223) of Atlantoraja cyclophora.

Fig. 6 in Distribution, abundance and morphometry of Atlantoraja cyclophora (Regan, 1903) (Elasmobranchii: Rajidae) in southern Brazil, Southwestern Atlantic

Fig. 6. Relation between disk width (cm) and total length (cm) in males (n=208) and females (n=227) of Atlantoraja cyclophora.

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Fig. 1 in A melanistic form in the Genus Cyclophora spec. (Lepidoptera, Geometridae, Sterrhinae)

Fig. 1: Cyclophora spec. punctaria species group, a melanistic form, top: upperside, bottom: underside.

Fig. 7. a in Reproductive biology of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the Southwestern Atlantic Ocean (34ºS - 42ºS)

Fig. 7. a. Frequency distribution of the largest ovarian follicles diameter (LOFD) in mature females of Atlantoraja cyclophora. b. Seasonal variation in the proportion of eggcarrying females of A. cyclophora. The number of samples analyzed is between parentheses.

Fig. 8 in Reproductive biology of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the Southwestern Atlantic Ocean (34ºS - 42ºS)

Fig. 8. Seasonal variation in a. oviductal gland width (OGW) and b. diameter of the largest ovarian follicle (LOFD) in Atlantoraja cyclophora females. The number of samples analyzed is between parentheses. The boxes represent the interquartile range between Q1 and Q3 with the 50% of data, the central line represents the median value and whiskers extend to the maximum and minimum values.

Fig. 5. Relationship between total length and a in Reproductive biology of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the Southwestern Atlantic Ocean (34ºS - 42ºS)

Fig. 5. Relationship between total length and a. oviductal gland width (OGW); b. uterus width (UW); c. GSI; and d. proportion by mature individuals of Atlantoraja cyclophora females according to maturity stage (stage 1, light rhombus; stage 2, dark rhombus; stage 3, light square; stage 4, dark dots).

Fig. 4. Relationship between total length and a in Reproductive biology of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the Southwestern Atlantic Ocean (34ºS - 42ºS)

Fig. 4. Relationship between total length and a. inner claspers length (ICL); b. number of alar thorns rows; c. GSI; and d. proportion by mature individuals of Atlantoraja cyclophora males according to maturity stage (stage 1, light rhombus; stage 2, dark rhombus; stage 3, light square).

Fig. 1 in Reproductive biology of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the Southwestern Atlantic Ocean (34ºS - 42ºS)

Fig. 1. Map of the study area showing trawl stations carried out in research cruises during 2002 and 2007 (dark dots) and the commercial capture (dark statistical rectangles of 1 degree by 1 degree) where Atlantoraja cyclophora were collected.

Fig. 3. Relationship between total length and a in Reproductive biology of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the Southwestern Atlantic Ocean (34ºS - 42ºS)

Fig. 3. Relationship between total length and a. disc width (DW); b. total weight (TW) and c. liver weight (LW) of males (dark dots) and females (light dots) Atlantoraja cyclophora. The curves were fitted by: a. males DW = 33.51 + 0.71TL(r=0.96, n=438), females DW = 18.70 + 0.71TL (r=0.98, n=435); b. males TW = (5 x 10-6)TL3.031 (r=0.98, n=446), females TW = (2 x 10-6)TL3.162 (r=0.98, n=435); c. males LW = (5 x 10-7)TL2.759 (r=0.83, n=365); females LW =(9 x 10-9) TL3.459 (r=0.90, n=360).

Fig. 2 in Reproductive biology of the eyespot skate Atlantoraja cyclophora (Elasmobranchii: Arhynchobatidae) an endemic species of the Southwestern Atlantic Ocean (34ºS - 42ºS)

Fig. 2. Total length frequency distribution of males (dark bars, n= 488) and females (light bars, n = 486) of Atlantoraja cyclophora.