Setarches guentheri Johnson, 1862
(Setarchidae, Scorpaeniformes)
The collection contains otoliths from 477 individuals of this species, ranging from 43 to 255 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 100 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Setarches guentheri, with total length of A. 43mm; B. 148mm; C. 254mm; 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 (65%), elliptic to lanceolated (22%), fusiform to lanceolated (8%), elliptic to cuneiform (4%). Anterior region: peaked (50%), lanceolated-round (17%), peaked-round (16%), lanceolated (13%). Posterior region: rounded (74%), angled-round (19%), flattened (6%), double-peaked (1%). Dorsal edge: lobed (36%), lobed to sinuate (34%), sinuate (27%), entire (3%). Ventral edge: sinuate (55%), entire (31%), lobed to sinuate (10%), sinuate to entire (3%). Profile: flattened (64%), plane-convex (36%). Rostrum and antirostrum orientation: in agreement (84%), not applicable (16%). Rostrum: Developed. Antirostrum: underdeveloped (67%), Developed (17%), absent (16%). Pseudorostrum: absent (99%), underdeveloped (1%). Pseudoantirostrum: absent (99%), underdeveloped (1%). Sulcus acusticus: position median, orientation horizontal, opening ostial (99%), ostiocaudal (1%), morphology pseudo-archaesulcoid, colliculum heteromorphic, ostium funnel-like, cauda elliptic.
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 4.83 ± 0.38 | 3.05 | 5.88 |
OH / OL % | 61.79 ± 5.3 | 50.29 | 73.47 |
OT / OL % | 18.59 ± 2.57 | 13.76 | 25.44 |
OT / OH % | 30.06 ± 2.72 | 23.42 | 35.44 |
Circularity | 17.73 ± 2.33 | 4.61 | 23.95 |
Rectangularity | 0.67 ± 0.02 | 0.62 | 0.72 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 24.8.SEGU.REV.AF.1246.9 (43 mm)
- 24.8.SEGU.REV.AF.411.5 (148 mm)
- 24.8.SEGU.REV.AF.414.7 (254 mm)
For more information about this species: