Pomadasys corvinaeformis (Steindachner, 1868)
(Haemulidae, Perciformes)
The collection contains otoliths from 491 individuals of this species, ranging from 62 to 178 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 54 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Pomadasys corvinaeformis, with total length of A. 62mm; B. 125mm; C. 178mm; 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 to oval (76%), elliptic (24%). Anterior region: angled-round (89%), angled (11%). Posterior region: angled (74%), oblique to angled (13%), angled-round (7%), rounded (4%). Dorsal edge: sinuate to entire (78%), lobed to entire (9%), lobed to sinuate (7%), entire (6%). Ventral edge: sinuate to entire (50%), lobed to sinuate (37%), lobed (13%). Profile: concave-convex. Rostrum and antirostrum orientation: in agreement (93%), not applicable (7%). Rostrum: underdeveloped (89%), Developed (11%). Antirostrum: underdeveloped (63%), Developed (30%), absent (7%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position supramedian, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium rectangular (50%), funnel-like (50%), cauda strongly curved tubular (54%), markedly curved tubular (46%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 5.43 ± 0.36 | 4.64 | 6.26 |
OH / OL % | 67.77 ± 2.27 | 63.62 | 72.90 |
OT / OL % | 22.45 ± 1.78 | 18.75 | 27.63 |
OT / OH % | 33.16 ± 2.88 | 27.91 | 41.14 |
Circularity | 15.98 ± 0.92 | 14.72 | 18.95 |
Rectangularity | 0.69 ± 0.01 | 0.65 | 0.72 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.18.POCO.BAII.PC.3/1.5 (62 mm)
- 25.18.POCO.BAI.AF.3/1.21 (125 mm)
- 25.18.POCO.BAV.AF.1/1.4 (178 mm)
For more information about this species: