Peprilus paru Linnaeus, 1758
(Stromateidae, Perciformes)
The collection contains otoliths from 245 individuals of this species, ranging from 37 to 304 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 63 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Peprilus paru, with total length of A. 37mm; B. 168mm; C. 301mm; 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: elliptic (60%), fusiform (33%), discoidal to elliptic (6%). Anterior region: peaked. Posterior region: angled (33%), rounded (29%), oblique (17%), angled-round (11%). Dorsal edge: sinuate to entire (65%), lobed (24%), lobed to sinuate (10%), dentate to sinuate (2%). Ventral edge: sinuate to entire (49%), lobed (27%), lobed to sinuate (11%), dentate to sinuate (10%). Profile: concave-convex. Rostrum and antirostrum orientation: in agreement (90%), in disagreement (6%), not applicable (3%). Rostrum: Developed. Antirostrum: underdeveloped (75%), Developed (22%), absent (3%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium funnel-like, cauda slightly curved tubular (62%), straight tubular (38%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 4.00 ± 0.6 | 2.92 | 5.85 |
OH / OL % | 56.35 ± 8.71 | 45.41 | 78.40 |
OT / OL % | 10.20 ± 2.17 | 7.98 | 18.41 |
OT / OH % | 18.00 ± 1.4 | 14.79 | 23.57 |
Circularity | 21.59 ± 2.62 | 17.47 | 31.24 |
Rectangularity | 0.67 ± 0.02 | 0.64 | 0.71 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.63.PEPA.PI.AF.9.7 (37 mm)
- 25.63.PEPA.SARVI.AM.9.9 (168 mm)
- 25.63.PEPA.SARVII.CE.15.17 (301 mm)
For more information about this species: