Lepidopus altifrons Parin & Collette, 1993
(Trichiuridae, Perciformes)
The collection contains otoliths from 288 individuals of this species, ranging from 223 to 798 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 89 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Lepidopus altifrons, with total length of A. 256mm; B. 530mm; C. 795mm; 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: fusiform (76%), lanceolated (15%), fusiform to lanceolated (9%). Anterior region: peaked (76%), lanceolated (24%). Posterior region: rounded (63%), flattened (21%), oblique (7%), peaked-round (4%). Dorsal edge: sinuate to entire (74%), entire (26%). Ventral edge: lobed to entire (54%), lobed to sinuate (42%), entire (2%), sinuate to entire (2%). Profile: flattened. Rostrum and antirostrum orientation: in agreement (79%), not applicable (21%). Rostrum: Developed. Antirostrum: underdeveloped (56%), Developed (24%), absent (20%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium funnel-like, cauda straight tubular.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 0.86 ± 0.08 | 0.67 | 1.14 |
OH / OL % | 34.68 ± 1.94 | 29.01 | 40.16 |
OT / OL % | 11.53 ± 1.28 | 8.80 | 15.60 |
OT / OH % | 33.28 ± 3.52 | 26.70 | 43.80 |
Circularity | 23.82 ± 1.83 | 19.25 | 29.49 |
Rectangularity | 0.67 ± 0.02 | 0.61 | 0.74 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.56.LEAL.REV.AF.1012.1 (256 mm)
- 25.56.LEAL.REV.AF.616.18 (530 mm)
- 25.56.LEAL.REV.AF.1135.12 (795 mm)
For more information about this species: