Ogcocephalus vespertilio (Linnaeus, 1758)

(Ogcocephalidae, Lophiiformes)

The collection contains otoliths from 57 individuals of this species, ranging from 56 to 198 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 25 analysed otoliths. See more detailed data here (in portuguese).

Otoliths from Ogcocephalus vespertilio, with total length of A. 56mm; B. 116mm; C. 176mm; 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. Anterior region: angled-round (52%), rounded (32%), oblique-round (8%), angled (4%). Posterior region: angled-round (44%), rounded (32%), oblique-round (24%). Dorsal edge: sinuate (68%), entire (32%). Ventral edge: entire (72%), sinuate (28%). Profile: plane-convex (60%), biconvex (40%). Rostrum and antirostrum orientation: not applicable. Rostrum: absent. Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position inframedian (56%), median (44%), orientation descending (60%), horizontal (24%), ascending (16%), opening mesial, morphology archaesulcoid, colliculum homomorphic, ostium absent, cauda absent.
Description of the terms used

Morphometry:

Shape indices	Mean ± sd	Minimum	Maximum
OL / TL %	3.28 ± 0.63	2.04	5.36
OH / OL %	58.59 ± 3.39	52.04	65.33
OT / OL %	22.73 ± 2.69	16.33	28.28
OT / OH %	38.85 ± 4.52	29.84	47.40
Circularity	14.61 ± 0.42	13.97	15.48
Rectangularity	0.74 ± 0.02	0.70	0.79

Description of the abbreviations used

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

16.4.OGVE.PI.AF.4855.10 (56 mm)
16.4.OGVE.PI.AF.4858.2 (116 mm)
16.4.OGVE.PI.AF.4859.1 (176 mm)

For more information about this species: