Kyphosus sectatrix (Linnaeus, 1758)
(Kyphosidae, Perciformes)
The collection contains otoliths from 15 individuals of this species, ranging from 25 to 454 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 9 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Kyphosus sectatrix, with total length of A. 280mm; B. 454mm; internal side A1; B1; external side A2; B2; profile of the ventral region A3; B3; click the figures for larger version*
Morphology:
Shape: fusiform. Anterior region: rounded (89%), peaked-round (11%). Posterior region: oblique-round (78%), peaked-round (22%). Dorsal edge: lobed to sinuate (56%), crenate to sinuate (22%), crenate to lobed (22%). Ventral edge: crenate to sinuate (89%), dentate to lobed (11%). Profile: concave-convex. Rostrum and antirostrum orientation: in agreement. Rostrum: Developed. Antirostrum: Developed (78%), underdeveloped (22%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium funnel-like, cauda markedly curved tubular (78%), strongly curved tubular (22%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.20 ± 0.19 | 1.76 | 2.40 |
OH / OL % | 44.61 ± 1.71 | 41.90 | 47.46 |
OT / OL % | 12.15 ± 0.43 | 11.60 | 12.91 |
OT / OH % | 27.28 ± 1.59 | 25.47 | 29.90 |
Circularity | 25.72 ± 2.38 | 23.39 | 29.65 |
Rectangularity | 0.71 ± 0.02 | 0.67 | 0.74 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.27.KYSE.BAV.LN.1/1.9 (280 mm)
- 25.27.KYSE.BAIII.EM.1/2.1 (454 mm)
For more information about this species: