Gymnothorax conspersus Poey, 1867
(Muraenidae, Anguilliformes)
The collection contains otoliths from 26 individuals of this species, ranging from 465 to 750 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 13 analysed otoliths. See more detailed data here (in portuguese).
Otoliths from Gymnothorax conspersus, with total length of A. 482mm; B. 750mm; internal side A1; B1; external side A2; B2; profile of the ventral region A3; B3; click the figures for larger version*
Morphology:
Shape: cuneiform. Anterior region: blunt (46%), oblique-round (31%), oblique (15%), blunt-round (8%). Posterior region: peaked-round (54%), peaked (38%), rounded (8%). Dorsal edge: sinuate to entire (46%), entire (38%), lobed to entire (15%). Ventral edge: entire (69%), sinuate to entire (15%), lobed to sinuate (15%). Profile: concave-convex (92%), plane-convex (8%). Rostrum and antirostrum orientation: not applicable (69%), in agreement (31%). Rostrum: absent (69%), underdeveloped (31%). Antirostrum: underdeveloped (77%), Developed (23%). Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position median (92%), inframedian (8%), orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium funnel-like, cauda straight tubular (69%), slightly curved tubular (31%).
Description of the terms used
Morphometry:
Shape indices | Mean ± sd | Minimum | Maximum |
---|---|---|---|
OL / TL % | 0.64 ± 0.05 | 0.54 | 0.71 |
OH / OL % | 59.27 ± 6.96 | 47.80 | 69.97 |
OT / OL % | 28.07 ± 3.63 | 22.25 | 33.51 |
OT / OH % | 47.93 ± 8.36 | 35.16 | 63.00 |
Circularity | 15.74 ± 1.09 | 14.37 | 18.54 |
Rectangularity | 0.72 ± 0.02 | 0.68 | 0.74 |
* Vouchers:
Collection identifier for the individuals shown on photography and drawings:
- 3.3.GYCO.REV.AF.1020.3 (482 mm)
- 3.3.GYCO.REV.AF.1018.1 (750 mm)
For more information about this species: