Stellifer rastrifer (Jordan, 1889)
(Sciaenidae, Perciformes)
Ocorre da Colombia até o sul do Brasil (Santa Catarina). È encotrada em águas litorâneas, sobre fundos de areia ou lama, principalmente em regiões estuarina. Alcança 20 cm de comprimento e alimenta-se de crustáceos (Menezes & Figueiredo, 1980). Comedores de peixes e/ou presas pelágicas (Soares et al.; 2008).
The collection contains otoliths from 18 individuals of this species, ranging from 51 to 150 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 16 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Stellifer rastrifer, with total length of A. 51mm; B. 150mm; internal side A1; B1; external side A2; B2; profile of the ventral region A3; B3; click the figures for larger version*
Morphology:
Shape: rectangular. Anterior region: double-peaked. Posterior region: oblique. Dorsal edge: entire. Ventral edge: entire. Anterior edge: entire. Posterior edge: irregular. Profile: plane-convex. Rostrum and antirostrum orientation: not applicable. Rostrum: absent. Antirostrum: underdeveloped. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation ascending, opening pseudo-ostiocaudal, morphology heterosulcoid, colliculum heteromorphic, ostium discoidal, cauda bent tubular.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 4.06 ± 0.42 | 3.51 | 5.00 |
OH / OL % | 73.45 ± 4.65 | 69.07 | 83.54 |
OT / OL % | 48.21 ± 4.21 | 40.61 | 57.59 |
OT / OH % | 65.67 ± 4.34 | 57.77 | 72.25 |
Circularity | 16.29 ± 0.44 | 15.66 | 16.99 |
Rectangularity | 0.76 ± 0.02 | 0.73 | 0.78 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.22.STRA.PI.AF.21.18 (51 mm)
- 25.22.STRA.PI.AF.21.1 (150 mm)
For more information about this species: