Citharichthys macrops Dresel, 1885
(Paralichthyidae, Pleuronectiformes)
The collection contains otoliths from 12 individuals of this species, ranging from 35 to 134 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 15 analysed otoliths. See more detailed data here (in portuguese).
Right otolith
Otoliths from Citharichthys macrops, with total length of A. 134mm; internal side A1; external side A2; profile of the ventral region A3; click the figures for larger version*
Morphology:
Shape: pentagonal (75%), bullet-shaped (25%). Anterior region: blunt (63%), peaked-round (38%). Posterior region: notched-round (50%), peaked-round (25%), blunt (25%). Anterior dorsal edge: entire (88%), lobed to sinuate (13%). Posterior dorsal edge: entire (50%), not applicable (25%), sinuate (25%). Anterior ventral edge: lobed (50%), entire (38%), sinuate (13%). Posterior ventral edge: sinuate (38%), not applicable (25%), lobed (25%), entire (13%). Posterior edge: entire (50%), lobed (13%), sinuate (13%), (13%). Profile: concave-convex (75%), plane-convex (25%). Rostrum and antirostrum orientation: not applicable. Rostrum: absent. Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation descending (63%), horizontal (38%), opening mesial, morphology heterosulcoid, colliculum heteromorphic, ostium elliptic (88%), oval (13%), cauda round-oval (88%), elliptic (13%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.41 ± 0.17 | 2.11 | 2.60 |
OH / OL % | 79.90 ± 5.16 | 72.56 | 87.40 |
OT / OL % | 17.85 ± 1.62 | 15.54 | 20.57 |
OT / OH % | 22.35 ± 1.59 | 20.09 | 25.00 |
Circularity | 14.66 ± 0.33 | 14.24 | 15.28 |
Rectangularity | 0.73 ± 0.01 | 0.70 | 0.74 |
Morphology:
Shape: pentagonal (86%), oval (14%). Anterior region: peaked-round. Posterior region: notched-round (57%), rounded (14%), blunt (14%), flattened (14%). Anterior dorsal edge: entire (86%), sinuate (14%). Posterior dorsal edge: sinuate (43%), lobed (29%), not applicable (14%), entire (14%). Anterior ventral edge: entire. Posterior ventral edge: entire (71%), not applicable (14%), sinuate (14%). Posterior edge: entire (71%), not applicable (14%), sinuate (14%). Profile: concave-convex (86%), biconvex (14%). Rostrum and antirostrum orientation: not applicable. Rostrum: absent. Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median, orientation descending (86%), horizontal (14%), opening mesial, morphology heterosulcoid, colliculum heteromorphic, ostium oval (57%), elliptic (43%), cauda elliptic (57%), round-oval (43%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 2.26 ± 0.14 | 1.97 | 2.42 |
OH / OL % | 80.44 ± 4.99 | 72.19 | 85.42 |
OT / OL % | 21.77 ± 2.41 | 19.05 | 25.00 |
OT / OH % | 27.06 ± 2.51 | 24.62 | 31.58 |
Circularity | 14.89 ± 0.61 | 13.97 | 15.71 |
Rectangularity | 0.72 ± 0.02 | 0.69 | 0.74 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 26.2.CIMA.BAII.AF.1/1.3 (134 mm)
For more information about this species: