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Fig. 8 in Unravelling the foraging behavior of the southern stingray, Hypanus americanus (Myliobatiformes: Dasyatidae) in a Southwestern Atlantic MPA

Fig. 8. Person's Correlation between the mean duration of foraging events and the size (disc length) of Hypanus americanus individuals (a) and local depth (b) in the FNA. The interval between dashed lines indicates the confidence interval of the regression line at p = 0.05. N = 37.

Fig. 2 in Unravelling the foraging behavior of the southern stingray, Hypanus americanus (Myliobatiformes: Dasyatidae) in a Southwestern Atlantic MPA

Fig. 2. Illustrations of species-typical patterns of foraging behavior performed by Hypanus americanus in the FNA in phase 1 entitled as primary search. The sub-phases are named as (a) active-scanning; (b) glide-scanning; (c) turn-back; (d) reverse; (e) rotation. The arrow indicates the direction of the movement and in (e) means the rotation on the dorsal-ventral axis of their body. The figures were drawn using original still photographs.

Fig. 7 in Unravelling the foraging behavior of the southern stingray, Hypanus americanus (Myliobatiformes: Dasyatidae) in a Southwestern Atlantic MPA

Fig. 7. Duration of median foraging events performed by Hypanus americanus individuals in reef areas and beach regions (a) and in complex (i.e., with gravel, algal turf and calcareous algae) and sandy substrates (b) in the FNA. Gray bars represent first and third quartiles (25-75% of the data).

Fig. 5 in Unravelling the foraging behavior of the southern stingray, Hypanus americanus (Myliobatiformes: Dasyatidae) in a Southwestern Atlantic MPA

Fig. 5. Illustrations of species-typical patterns of foraging behavior performed by Hypanus americanus in the FNA in phase 4 entitled as suction. The sub-phases are named as (a) spiracular suction; (b) corporeal-spiracular suction. The figures were drawn using original still photographs.

opencc-by-4.0Mar 2018View details →

Fig. 1 in Large-scale migration of a school shark, Galeorhinus galeus, in the Southwestern Atlantic

Fig. 1. Schematic representation of the depth-averaged ocean circulation in the Southwestern Atlantic Ocean (adapted from Matano et al., 2010) showing the geographical locations of tagging of Galeorhinus galeus [Triangle, Nuevo Gulf (NG), 42°30'S, 65°55'W, depth 100 m], newest recapture in Uruguayan shelf waters (Star, 35°30'S, 51°48'W – depth 290 m) and the two old recapture sites (Circle, Mar del Plata, 38°24'S, 57°18'W, depth 40 m and Canal Culebra, 40°24'S, 62°06'W - depth 15 m, Irigoyen et al., 2015). Additional geographical locations are indicated with acronyms: SMG = San Matías Gulf, VP = Valdés Peninsula, AB = Anegada Bay, PM = Punta Médanos, STSF = Subtropical Shelf Front. The thick curved lines represent the path of the major ocean currents. The black line is the 200m isobath. Colours indicate bottom temperature (a, c) and bottom salinity (b, d) and black arrows indicate the bottom shelf circulation extracted from a numerical model (Palma et al., 2008). The yellow and gray lines in the left panels indicate the 11 and 17 °C isotherms respectively. The red and cyan lines in the right panels indicate the 33.93 and 33.5 isohalines.

opencc-by-4.0Mar 2018View details →

Fig. 2. A in Large-scale migration of a school shark, Galeorhinus galeus, in the Southwestern Atlantic

Fig. 2. A) Releasing of a tagged Galeorhinus galeus, B) the recaptured tag on August 17, 2015, and C) length size distribution of school sharks captured and tagged in Nuevo Gulf (~ 42°30'S, Argentina) during February 15, 2015.

Fig. 10 in External morphology, postcranial and appendicular osteology of three southwestern Atlantic flatfishes (Paralichthys, Paralichthyidae), and comparisons with other congeneric species

Fig. 10. Relationships of interorbital width to standard length in Paralichthys adspersus, P. albigutta, P. brasiliensis, P. microps, P. olivaceus and P. patagonicus (a). Relationships of interorbital width to standard length (b) in Paralichthys patagonicus, P. oblongus and P. triocellatus.

Fig. 9 in External morphology, postcranial and appendicular osteology of three southwestern Atlantic flatfishes (Paralichthys, Paralichthyidae), and comparisons with other congeneric species

Fig. 9. Relationships of eye diameter to standard length (a); and prepectoral-fin length to standard length (b); in Paralichthys adspersus, P. aestuarius, P. albigutta, P. brasiliensis, P. californicus, P. dentatus, P. isosceles, P. lethostigma, P. microps, P. olivaceus, P. squamilentus, P. tropicus and P. woolmani, P. californicus.

Fig. 5 in External morphology, postcranial and appendicular osteology of three southwestern Atlantic flatfishes (Paralichthys, Paralichthyidae), and comparisons with other congeneric species

Fig. 5. Caudal skeleton of a dissected specimen of P. isosceles (a). Cleared and stained specimens of Paralichthys patagonicus (b); and P. isosceles (c). Abrreviattions are: CP1: preural centrum 1; EP1-2: epurals 1 and 2; H1+2: ventral hypural plate; Phy: pahypural; Rca: caudal rays; "Sp.r": "splinter ray"; H5: hypural 5; THC+3+4: dorsal hypural plate; UE: unidentified elements.

Fig. 4 in External morphology, postcranial and appendicular osteology of three southwestern Atlantic flatfishes (Paralichthys, Paralichthyidae), and comparisons with other congeneric species

Fig. 4. Fourth caudal vertebrae of Paralichthys: a. P. orbignyanus, b. P. patagonicus. Arrow indicates haemal zygapophyses. Scale bar indicates 9 mm.

Fig. 6 in External morphology, postcranial and appendicular osteology of three southwestern Atlantic flatfishes (Paralichthys, Paralichthyidae), and comparisons with other congeneric species

Fig. 6. Inner view of left pectoral girdle of Paralichthys patagonicus (a). Left cleithra of Paralichthys patagonicus (b), P. orbignyanus (c), and P. isosceles (d). Left and right basipterygia in outer and inner views of Paralichthys patagonicus (e), P. orbignyanus (f), and P. isosceles (g). See abbreviations in text. Scale bar indicates 1 mm.

Fig. 2 in External morphology, postcranial and appendicular osteology of three southwestern Atlantic flatfishes (Paralichthys, Paralichthyidae), and comparisons with other congeneric species

Fig. 2. Relationships of head length to standard length: a. interorbital width to head length, b. pectoral length to standard length, c. eye diameter to head length, d. caudal peduncle depth to standard length, e. among the following species: Paralichthys isosceles, P. orbignyanus and P. patagonicus.

Fig. 7 in External morphology, postcranial and appendicular osteology of three southwestern Atlantic flatfishes (Paralichthys, Paralichthyidae), and comparisons with other congeneric species

Fig. 7. Relationships of eye diameter to standard length (a); and pectoral-fin length to standard length (b); in Paralichthys adspersus, P. aestuarius, P. albigutta, P. brasiliensis, P. dentatus, P. microps, P. oblongus, P. orbignyanus, P. triocellatus and P. woolmani.

opencc-by-4.0Jun 2018View details →

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.

opencc-by-4.0Jun 2018View details →

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.