Caranx hippos (Linnaeus, 1766)
(Carangidae, Perciformes)
The collection contains otoliths from 8 individuals of this species, ranging from 173 to 209 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 Caranx hippos, with total length of A. 205mm; internal side A1; external side A2; profile of the ventral region A3; click the figures for larger version*
Morphology:
Shape: fusiform to lanceolated (75%), fusiform (25%). Anterior region: lanceolated (75%), peaked (25%). Posterior region: peaked-round (50%), rounded (50%). Dorsal edge: entire (50%), sinuate to entire (50%). Ventral edge: lobed (50%), lobed to entire (50%). Profile: concave-convex. Rostrum and antirostrum orientation: in agreement. Rostrum: Developed. Antirostrum: underdeveloped (50%), Developed (50%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position supramedian, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium funnel-like, cauda strongly curved tubular (50%), markedly curved tubular (50%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.50 ± 0.09 | 2.43 | 2.63 |
OH / OL % | 38.35 ± 2.61 | 35.04 | 41.20 |
OT / OL % | 11.03 ± 1.1 | 9.45 | 11.90 |
OT / OH % | 28.74 ± 2.07 | 26.97 | 30.81 |
Circularity | 23.76 ± 2.24 | 21.68 | 26.29 |
Rectangularity | 0.68 ± 0.01 | 0.67 | 0.70 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.13.CAHI.BAI.CER.2/1.2 (205 mm)
For more information about this species: