Raneya brasiliensis (Kaup, 1856)
(Ophidiidae, Ophidiiformes)
The collection contains otoliths from 85 individuals of this species, ranging from 75 to 286 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 54 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Raneya brasiliensis, with total length of A. 75mm; B. 198mm; C. 286mm; 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: rhomboidal (78%), oval to rhomboidal (22%). Anterior region: rounded (74%), angled-round (26%). Posterior region: peaked. Dorsal edge: entire (46%), lobed to sinuate (20%), sinuate to entire (17%), lobed to entire (17%). Ventral edge: entire (87%), sinuate to entire (11%), lobed to sinuate (2%). Profile: plane-convex. Rostrum and antirostrum orientation: not applicable. Rostrum: absent. Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening para-ostial (57%), pseudo-ostial (37%), ostial (6%), morphology heterosulcoid, colliculum heteromorphic, ostium tubular, cauda round-oval.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 3.46 ± 0.36 | 2.93 | 5.32 |
OH / OL % | 81.56 ± 6.61 | 51.13 | 99.57 |
OT / OL % | 26.70 ± 2.72 | 18.80 | 33.37 |
OT / OH % | 32.87 ± 3.48 | 25.14 | 42.97 |
Circularity | 15.04 ± 0.63 | 14.12 | 16.49 |
Rectangularity | 0.62 ± 0.03 | 0.49 | 0.66 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 13.2.RABR.PI.AF.4857.6 (75 mm)
- 13.2.RABR.PI.AF.4857.2 (198 mm)
- 13.2.RABR.PI.AF.19.1 (286 mm)
For more information about this species: