Pomatomus saltatrix (Linnaeus, 1766)
(Pomatomidae, Perciformes)
The collection contains otoliths from 57 individuals of this species, ranging from 76 to 471 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 22 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Pomatomus saltatrix, with total length of A. 121mm; B. 314mm; C. 471mm; 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: rectangular to lanceolated (73%), rectangular (23%), fusiform (5%). Anterior region: lanceolated-round (73%), peaked-round (23%), peaked (5%). Posterior region: oblique (50%), oblique-round (41%), flattened (9%). Dorsal edge: lobed to sinuate (55%), sinuate to entire (32%), dentate to sinuate (9%), lobed (5%). Ventral edge: sinuate to irregular (55%), lobed to sinuate (14%), lobed to irregular (14%), dentate to irregular (9%). Profile: concave-convex (95%), flattened (5%). Rostrum and antirostrum orientation: not applicable (77%), in agreement (23%). Rostrum: Developed. Antirostrum: absent (77%), underdeveloped (14%), Developed (9%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium funnel-like (91%), tubular (9%), cauda strongly curved tubular (50%), slightly curved tubular (50%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.90 ± 0.24 | 2.68 | 3.85 |
OH / OL % | 36.00 ± 2.4 | 32.22 | 44.64 |
OT / OL % | 7.56 ± 0.85 | 6.40 | 10.52 |
OT / OH % | 20.99 ± 1.67 | 18.02 | 23.86 |
Circularity | 28.28 ± 2.64 | 24.16 | 34.95 |
Rectangularity | 0.71 ± 0.02 | 0.68 | 0.76 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.9.POSA.BAV.PC.1/1.1 (121 mm)
- 25.9.POSA.SARIV.AM.19.1 (314 mm)
- 25.9.POSA.REVP.AM.389.1 (471 mm)
For more information about this species: