Prionotus punctatus (Bloch, 1793)
(Triglidae, Scorpaeniformes)
The collection contains otoliths from 394 individuals of this species, ranging from 7 to 422 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 59 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Prionotus punctatus, with total length of A. 36mm; B. 184mm; C. 391mm; 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. Anterior region: peaked (73%), angled-round (25%), peaked-round (2%). Posterior region: rounded (51%), angled-round (32%), peaked (14%), flattened (3%). Dorsal edge: lobed to sinuate (44%), dentate to lobed (19%), lobed (17%), sinuate to entire (8%). Ventral edge: lobed to sinuate (34%), lobed (31%), dentate to lobed (27%), sinuate to entire (5%). Profile: concave-convex. Rostrum and antirostrum orientation: not applicable (97%), in agreement (3%). Rostrum: Developed. Antirostrum: absent (97%), underdeveloped (3%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening pseudo-ostial (71%), ostial (29%), morphology heterosulcoid, colliculum heteromorphic, ostium elliptic (53%), tubular (36%), funnel-like (12%), cauda strongly curved tubular (71%), markedly curved tubular (29%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 3.23 ± 0.39 | 2.36 | 4.19 |
OH / OL % | 66.15 ± 2.36 | 59.61 | 71.02 |
OT / OL % | 14.84 ± 2.23 | 10.17 | 20.23 |
OT / OH % | 22.43 ± 3.27 | 16.34 | 30.17 |
Circularity | 18.66 ± 2.29 | 14.30 | 24.40 |
Rectangularity | 0.69 ± 0.02 | 0.66 | 0.73 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 24.4.PRPU.BAV.AF.4/1.3 (36 mm)
- 24.4.PRPU.BAIII.AF.6/1.1 (184 mm)
- 24.4.PRPU.REV.AF.407.1 (391 mm)
For more information about this species: