Saurida caribbaea Breder, 1927
(Synodontidae, Aulopiformes)
The collection contains otoliths from 1053 individuals of this species, ranging from 36 to 146 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 53 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Saurida caribbaea, with total length of A. 37mm; B. 92mm; C. 146mm; 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 to lanceolated (70%), fusiform (19%), oblong (11%). Anterior region: lanceolated (70%), peaked (30%). Posterior region: flattened (45%), rounded (36%), oblique-round (15%), blunt-round (2%). Dorsal edge: sinuate to entire (47%), lobed to sinuate (47%), entire (6%). Ventral edge: sinuate to entire (40%), lobed to sinuate (30%), entire (30%). Profile: plane-convex. Rostrum and antirostrum orientation: not applicable (64%), in agreement (36%). Rostrum: Developed. Antirostrum: absent (64%), underdeveloped (36%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation descending (74%), horizontal (26%), opening ostial, morphology pseudo-archaesulcoid, colliculum heteromorphic, ostium funnel-like (49%), tubular (45%), elliptic (6%), cauda straight tubular.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 3.34 ± 0.24 | 2.62 | 3.89 |
OH / OL % | 47.04 ± 3.77 | 40.77 | 55.70 |
OT / OL % | 14.07 ± 2.08 | 10.25 | 21.02 |
OT / OH % | 29.88 ± 3.32 | 24.55 | 40.24 |
Circularity | 18.38 ± 1.07 | 16.52 | 20.69 |
Rectangularity | 0.68 ± 0.02 | 0.63 | 0.72 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 9.5.SAUCA.REVP.AM.357.45 (37 mm)
- 9.5.SAUCA.REV.AF.1252.4 (92 mm)
- 9.5.SAUCA.PADCT.AF.6634.3 (146 mm)
For more information about this species: