Percophis brasiliensis Quoy & Gaimard, 1825
(Percophidae, Perciformes)
The collection contains otoliths from 24 individuals of this species, ranging from 245 to 590 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 8 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Percophis brasiliensis, with total length of A. 284mm; B. 430mm; C. 590mm; 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: spindle-shaped to lanceolated. Anterior region: lanceolated. Posterior region: rounded (50%), peaked-round (38%), oblique to peaked (13%). Dorsal edge: lobed to sinuate (75%), lobed (25%). Ventral edge: sinuate to entire (63%), lobed to entire (25%), entire (13%). Profile: concave-convex. Rostrum and antirostrum orientation: not applicable. Rostrum: Developed. Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium tubular (63%), funnel-like (38%), cauda straight tubular (63%), slightly curved tubular (38%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.33 ± 0.12 | 2.19 | 2.49 |
OH / OL % | 26.63 ± 2.06 | 23.69 | 30.00 |
OT / OL % | 11.60 ± 1.45 | 9.99 | 14.03 |
OT / OH % | 43.45 ± 2.27 | 41.33 | 46.77 |
Circularity | 26.47 ± 1.82 | 23.31 | 28.62 |
Rectangularity | 0.71 ± 0.01 | 0.69 | 0.73 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.36.PEBR.PI.AF.1.1 (284 mm)
- 25.36.PEBR.PI.AF.1.3 (430 mm)
- 25.36.PEBR.REV.AF.1021.1 (590 mm)
For more information about this species: