Bellator brachychir (Regan, 1914)
(Triglidae, Scorpaeniformes)
The collection contains otoliths from 45 individuals of this species, ranging from 34 to 208 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 19 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Bellator brachychir, with total length of A. 34mm; B. 95mm; internal side A1; B1; external side A2; B2; profile of the ventral region A3; B3; click the figures for larger version*
Morphology:
Shape: elliptic (89%), triangular to elliptic (11%). Anterior region: blunt to peaked (32%), peaked-round (26%), angled-round (21%), flattened (11%). Posterior region: flattened (32%), rounded (21%), peaked-round (21%), peaked (16%). Anterior dorsal edge: entire (89%), sinuate (11%). Posterior dorsal edge: (89%), entire (11%). Ventral edge: entire (53%), sinuate (47%). Profile: plane-convex. Rostrum and antirostrum orientation: not applicable (95%), in agreement (5%). Rostrum: Developed. Antirostrum: absent (95%), underdeveloped (5%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening ostial (89%), pseudo-ostial (11%), morphology heterosulcoid, colliculum heteromorphic, ostium elliptic (74%), funnel-like (26%), cauda round-oval.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 3.64 ± 0.28 | 3.22 | 4.21 |
OH / OL % | 66.51 ± 5.17 | 60.12 | 77.43 |
OT / OL % | 20.61 ± 3.62 | 17.14 | 29.10 |
OT / OH % | 31.23 ± 6.59 | 25.14 | 46.99 |
Circularity | 14.49 ± 0.5 | 13.77 | 15.33 |
Rectangularity | 0.71 ± 0.02 | 0.67 | 0.75 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 24.4.BEBR.OGX2.AM.BMS57/3.2 (34 mm)
- 24.4.BEBR.PI.AF.4856.1 (95 mm)
For more information about this species: