Bembrops heterurus (Miranda Ribeiro, 1903)

(Percophidae, Perciformes)

The collection contains otoliths from 107 individuals of this species, ranging from 65 to 202 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 52 analysed otoliths. See more detailed data here (in portuguese).

Otoliths from Bembrops heterurus, with total length of A. 73mm; B. 134mm; C. 200mm; 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: elliptic to trapezoidal (60%), elliptic to rectangular (40%). Anterior region: peaked. Posterior region: rounded (42%), oblique-round (38%), flattened (10%), oblique to angled (10%). Dorsal edge: sinuate to entire (65%), lobed to entire (35%). Ventral edge: sinuate to entire (52%), lobed to entire (40%), lobed to sinuate (8%). Profile: biconvex (71%), plane-convex (29%). Rostrum and antirostrum orientation: not applicable (77%), in agreement (23%). Rostrum: Developed. Antirostrum: absent (77%), underdeveloped (23%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium tubular, cauda round-oval (90%), straight tubular (10%).
Description of the terms used

Morphometry:

Shape indices	Mean ± sd	Minimum	Maximum
OL / TL %	3.12 ± 0.39	2.44	4.09
OH / OL %	55.99 ± 2.13	51.61	60.16
OT / OL %	20.36 ± 1.33	17.58	24.44
OT / OH %	36.41 ± 2.68	29.41	42.21
Circularity	17.59 ± 0.84	15.72	19.96
Rectangularity	0.70 ± 0.02	0.65	0.74

Description of the abbreviations used

* Vouchers:
Collection identifier for the individuals shown on photography and drawings:

25.36.BEHE.PI.AF.4951.2 (73 mm)
25.36.BEHE.PI.AF.4951.13 (134 mm)
25.36.BEHE.PI.AF.4859.1 (200 mm)

For more information about this species: