Euthynnus alleteratus (Rafinesque, 1810)

(Scombridae, Perciformes)

Ocorre em águas tropicais e subtropicais do Atlântico e do Mediterrâneo. No Atlântico Sul ocidental é encontrado ao longo de toda a costa brasileira até a Argentina. Alcança mais de 1 m de comprimento, vive em águas de superfície desde a costa até alto mar. Alimenta-se de crustáceos, peixes, lulas, tunicados (Menezes & Figueiredo, 1980; Menezes et al, 2003; Bernardes et al., 2005).

The collection contains otoliths from 6 individuals of this species, ranging from 240 to 431 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 1 analysed otoliths. See more detailed data here (in portuguese).

Morphology:
Shape: rectangular. Anterior region: flattened. Posterior region: oblique. Dorsal edge: sinuate to entire. Ventral edge: sinuate. Anterior edge: sinuate to entire. Posterior edge: sinuate. Profile: flattened. Rostrum and antirostrum orientation: not applicable. Rostrum: absent. Antirostrum: absent. Pseudorostrum: absent. Pseudoantirostrum: absent. Sulcus acusticus: position supramedian, orientation horizontal, opening ostial, morphology heterosulcoid, colliculum heteromorphic, ostium funnel-like, cauda elliptic.
Description of the terms used

Morphometry:

Shape indices	Mean ± sd	Minimum	Maximum
OL / TL %	0.87 ± 0.00	0.87	0.87
OH / OL %	55.29 ± 0.00	55.29	55.29
OT / OL %	22.60 ± 0.00	22.60	22.60
OT / OH %	40.87 ± 0.00	40.87	40.87
Circularity	19.87 ± 0.00	19.87	19.87
Rectangularity	0.75 ± 0.00	0.75	0.75

Description of the abbreviations used

For more information about this species: