Epinephelus marginatus (Lowe, 1834)
(Serranidae, Perciformes)
The collection contains otoliths from 12 individuals of this species, ranging from 210 to 326 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 Epinephelus marginatus, with total length of A. 210mm; B. 308mm; internal side A1; B1; external side A2; B2; profile of the ventral region A3; B3; click the figures for larger version*
Morphology:
Shape: elliptic. Anterior region: peaked-round. Posterior region: oblique-round. Dorsal edge: dentate to crenate (67%), crenate to sinuate (22%), crenate (11%). Ventral edge: crenate to sinuate (56%), dentate to crenate (33%), lobed to crenate (11%). Profile: concave-convex. Rostrum and antirostrum orientation: in agreement. Rostrum: Developed. Antirostrum: underdeveloped (89%), Developed (11%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal (67%), ascending (33%), opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium rectangular (56%), funnel-like (44%), cauda strongly curved tubular (78%), markedly curved tubular (22%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 3.40 ± 0.17 | 3.18 | 3.62 |
OH / OL % | 49.23 ± 1.86 | 47.10 | 52.11 |
OT / OL % | 11.34 ± 0.91 | 9.87 | 12.95 |
OT / OH % | 23.06 ± 1.98 | 20.96 | 27.45 |
Circularity | 33.24 ± 4.39 | 25.65 | 41.50 |
Rectangularity | 0.68 ± 0.01 | 0.66 | 0.69 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.3.EPMA.BAII.LN.1/1.13 (210 mm)
- 25.3.EPMA.BAII.LN.1/1.10 (308 mm)
For more information about this species: