Strongylura timucu (Walbaum, 1792)
(Belonidae, Beloniformes)
The collection contains otoliths from 3 individuals of this species, ranging from 121 to 156 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 3 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Strongylura timucu, with total length of A. 156mm; internal side A1; external side A2; profile of the ventral region A3; click the figures for larger version*
Morphology:
Shape: elliptic to rectangular (67%), elliptic (33%). Anterior region: peaked. Posterior region: rounded. Dorsal edge: entire. Ventral edge: sinuate to entire. Profile: flattened. Rostrum and antirostrum orientation: in agreement. Rostrum: Developed. Antirostrum: underdeveloped. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, 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 % | 1.15 ± 0.07 | 1.12 | 1.23 |
OH / OL % | 55.32 ± 2.39 | 53.01 | 57.78 |
OT / OL % | 16.86 ± 2.45 | 14.37 | 19.26 |
OT / OH % | 30.44 ± 3.87 | 26.04 | 33.33 |
Circularity | 15.49 ± 0.22 | 15.27 | 15.70 |
Rectangularity | 0.76 ± 0.02 | 0.75 | 0.78 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 19.1.STTI.BA.PMIIPCI.1/1.1 (156 mm)
For more information about this species: