Hyporhamphus roberti roberti (Valenciennes, 1847)
(Hemiramphidae, Beloniformes)
The collection contains otoliths from 1 individuals of this species, ranging from 132 to 132 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 1 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Hyporhamphus roberti roberti, with total length of A. 132mm; internal side A1; external side A2; profile of the ventral region A3; click the figures for larger version*
Morphology:
Shape: elliptic. Anterior region: peaked. Posterior region: angled. Dorsal edge: sinuate. Ventral edge: entire. Profile: concave-convex. Rostrum and antirostrum orientation: not applicable. Rostrum: underdeveloped. Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation ascending, opening para-ostial, morphology heterosulcoid, colliculum heteromorphic, ostium elliptic, cauda slightly curved tubular.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.01 ± 0.00 | 2.01 | 2.01 |
OH / OL % | 63.77 ± 0.00 | 63.77 | 63.77 |
OT / OL % | 16.23 ± 0.00 | 16.23 | 16.23 |
OT / OH % | 25.44 ± 0.00 | 25.44 | 25.44 |
Circularity | 14.97 ± 0.00 | 14.97 | 14.97 |
Rectangularity | 0.71 ± 0.00 | 0.71 | 0.71 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 19.4.HYRO.BAIII.PC.5/1.1 (132 mm)
For more information about this species: