Lutjanus synagris (Linnaeus, 1758)
(Lutjanidae, Perciformes)
The collection contains otoliths from 31 individuals of this species, ranging from 76 to 316 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 15 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Lutjanus synagris, with total length of A. 79mm; B. 165mm; C. 300mm; 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. Anterior region: peaked-round (67%), rounded (33%). Posterior region: rounded (80%), oblique (20%). Dorsal edge: lobed (67%), lobed to sinuate (33%). Ventral edge: lobed (67%), sinuate to entire (20%), entire (13%). Profile: concave-convex. Rostrum and antirostrum orientation: in agreement (60%), not applicable (40%). Rostrum: Developed. Antirostrum: underdeveloped (47%), absent (40%), Developed (13%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position supramedian, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium rectangular (67%), funnel-like (33%), cauda slightly curved tubular (80%), strongly curved tubular (20%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 4.91 ± 0.41 | 4.03 | 5.43 |
OH / OL % | 61.56 ± 3.01 | 55.85 | 65.52 |
OT / OL % | 19.67 ± 2.11 | 16.04 | 22.20 |
OT / OH % | 31.93 ± 2.67 | 25.33 | 34.83 |
Circularity | 20.97 ± 3.59 | 16.14 | 26.92 |
Rectangularity | 0.69 ± 0.01 | 0.66 | 0.71 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.15.LUSY.BAII.AF.2/1.2 (79 mm)
- 25.15.LUSY.BAIII.AF.12/1.1 (165 mm)
- 25.15.LUSY.BAII.AF.7/1.1 (300 mm)
For more information about this species: