Hemicaranx amblyrhynchus (Curvier, 1833)
(Carangidae, Perciformes)
Ocorre da Carolina do Norte até o Estado de Santa Catarina (Brasil). Atinge 40 cm de comprimento. É uma espécie costeira, mais comum em aguas salobras. Os jovens associam-se a medusas (Menezes & Figueiredo, 1980).
The collection contains otoliths from 23 individuals of this species, ranging from 235 to 376 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 4 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Hemicaranx amblyrhynchus, with total length of A. 314mm; internal side A1; external side A2; profile of the ventral region A3; click the figures for larger version*
Morphology:
Shape: lanceolated. Anterior region: lanceolated. Posterior region: rounded. Dorsal edge: sinuate. Ventral edge: sinuate. Profile: concave-convex. Rostrum and antirostrum orientation: in agreement. Rostrum: Developed. Antirostrum: Developed. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position supramedian, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium funnel-like, cauda slightly curved tubular.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 1.70 ± 0.1 | 1.58 | 1.79 |
OH / OL % | 42.53 ± 1.42 | 40.88 | 43.82 |
OT / OL % | 17.79 ± 2.98 | 15.48 | 21.99 |
OT / OH % | 41.72 ± 5.85 | 37.02 | 50.18 |
Circularity | 25.56 ± 1.14 | 24.53 | 26.89 |
Rectangularity | 0.63 ± 0.01 | 0.62 | 0.64 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.13.HEAM.SARIV.AM.15.4 (314 mm)
For more information about this species: