Hemiramphus brasiliensis (Linnaeus, 1758)
(Hemiramphidae, Beloniformes)
The collection contains otoliths from 17 individuals of this species, ranging from 116 to 200 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 13 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Hemiramphus brasiliensis , with total length of A. 116mm; B. 200mm; internal side A1; B1; external side A2; B2; profile of the ventral region A3; B3; click the figures for larger version*
Morphology:
Shape: elliptic to oval. Anterior region: peaked-round (92%), angled-round (8%). Posterior region: oblique-round (54%), rounded (31%), angled (15%). Dorsal edge: lobed to sinuate (92%), dentate to lobed (8%). Ventral edge: lobed (62%), lobed to sinuate (23%), dentate to lobed (15%). Profile: concave-convex. Rostrum and antirostrum orientation: not applicable. Rostrum: Developed (85%), absent (8%), underdeveloped (8%). Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation ascending, opening pseudo-ostial, morphology heterosulcoid, colliculum heteromorphic, ostium elliptic (62%), tubular (38%), cauda slightly curved tubular.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.20 ± 0.14 | 1.92 | 2.51 |
OH / OL % | 70.44 ± 3.03 | 66.42 | 76.10 |
OT / OL % | 16.68 ± 1.09 | 15.38 | 19.18 |
OT / OH % | 23.69 ± 1.35 | 21.53 | 25.93 |
Circularity | 16.14 ± 4.64 | 0.97 | 18.77 |
Rectangularity | 0.72 ± 0.02 | 0.69 | 0.76 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 19.4.HEBR.BAII.PC.3/1.3 (116 mm)
- 19.4.HEBR.BAI.PC.4/2.2 (200 mm)
For more information about this species: