Urophycis brasiliensis (Kaup, 1858)

(Phycidae, Gadiformes)

Ocorre no Atlântico Sudoeste Ocidental no sudeste do Brasil, Uruguai e norte da Argentina. Alcança 600 mm de comprimento. É uma espécie de fundo que habita desde águas costeiras até 190 m de profundidade (Bernardes et al. 2005).

The collection contains otoliths from 123 individuals of this species, ranging from 98 to 466 mm of total length. Click here to see the map of the sampling area for the individuals of this species. The following summaries contains data from 30 analysed otoliths. See more detailed data here (in portuguese).

Otoliths from Urophycis brasiliensis, with total length of A. 286mm; B. 295mm; C. 466mm; internal side A1; B1; C1; external side A2; B2; C2; profile of the ventral region A3; B3; C3; click the figures for larger version*

Morphology:
Shape: oblong to lanceolated. Anterior region: oblique to peaked (60%), oblique to peaked-round (17%), oblique to angled-round (17%), oblique-round (3%). Posterior region: lanceolated-round. Dorsal edge: sinuate to entire (90%), lobed to entire (10%). Anterior ventral edge: lobed to sinuate (60%), lobed (23%), sinuate (17%). Posterior ventral edge: sinuate to entire (57%), sinuate (43%). Profile: concave-convex (93%), plane-convex (7%). Rostrum and antirostrum orientation: in agreement. Rostrum: underdeveloped. Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position supramedian, orientation slightly ascending (87%), horizontal (13%), opening para-ostial (70%), pseudo-ostiocaudal (30%), morphology archaesulcoid, colliculum monomorphic, ostium absent, cauda absent.
Description of the terms used

Morphometry:

Shape indices	Mean ± sd	Minimum	Maximum
OL / TL %	3.83 ± 0.35	3.26	4.45
OH / OL %	35.29 ± 1.94	32.50	40.20
OT / OL %	16.28 ± 2.04	13.98	22.49
OT / OH %	46.15 ± 5.24	38.99	61.40
Circularity	21.27 ± 1.16	19.06	24.35
Rectangularity	0.72 ± 0.02	0.67	0.76

Description of the abbreviations used

* Vouchers:
Collection identifier for the individuals shown on photography and drawings:

14.5.URBR.RA1G.CR.E15/L1.3 (286 mm)
14.5.URBR.RA1G.C.E29/L1.3 (295 mm)
14.5.URBR.RA1G.CR.E2/L2.1 (466 mm)

For more information about this species: