Heteropriacanthus cruentatus (Lacepède, 1801)
(Priacanthidae, Perciformes)
The collection contains otoliths from 53 individuals of this species, ranging from 166 to 571 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 26 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Heteropriacanthus cruentatus, with total length of A. 166mm; B. 330mm; C. 571mm; 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 rhomboidal (38%), elliptic (31%), rectangular (27%), rectangular to rhomboidal (4%). Anterior region: peaked. Posterior region: rounded (38%), oblique (31%), flattened (31%). Dorsal edge: lobed to sinuate (62%), lobed (35%), dentate to lobed (4%). Ventral edge: lobed to irregular (88%), lobed (8%), dentate to irregular (4%). Profile: concave-convex. Rostrum and antirostrum orientation: in agreement (73%), in disagreement (23%), not applicable (4%). Rostrum: Developed (96%), underdeveloped (4%). Antirostrum: Developed (58%), underdeveloped (38%), absent (4%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation horizontal (96%), slightly ascending (4%), opening ostial (77%), ostiocaudal (23%), morphology heterosulcoid, colliculum heteromorphic, ostium elliptic (62%), (31%), tubular (8%), cauda strongly curved tubular (62%), slightly curved tubular (38%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.29 ± 0.39 | 1.63 | 3.12 |
OH / OL % | 76.26 ± 9.05 | 57.76 | 92.40 |
OT / OL % | 17.04 ± 4.73 | 11.61 | 30.31 |
OT / OH % | 22.80 ± 7.03 | 13.33 | 38.25 |
Circularity | 25.40 ± 2.79 | 21.78 | 35.91 |
Rectangularity | 0.65 ± 0.04 | 0.60 | 0.73 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 25.6.HECR.REV.AF.602.7 (166 mm)
- 25.6.HECR.REV.AF.619.6 (330 mm)
- 25.6.HECR.REV.AF.619.2 (571 mm)
For more information about this species: