Come identificare Corvina Golfina

Per identificare Corvina Golfina (Cynoscion othonopterus), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Dorsal surface is typically silvery-gray to bluish-gray, fading to a bright silvery on the flanks and ventral side. Fins are generally dusky or yellowish. Juveniles may exhibit faint vertical bars.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Large, oblique mouth extending to or beyond the posterior margin of the eye., Two prominent canine-like teeth at the tip of the upper jaw., Absence of barbels on the chin., Lateral line slightly arched anteriorly, becoming straight posteriorly., A dark spot at the upper axil of the pectoral fin (though not always prominent).

Pinna dorsale

Two dorsal fins; the first is spiny with 9-11 spines, and the second is soft-rayed with 1 spine and 20-24 soft rays. The two fins are separated by a distinct notch.

Pinna caudale

Truncate to slightly emarginate (straight or slightly indented).

Pinna pettorale

Relatively long, reaching beyond the tip of the pelvic fin.

Pinne distintive

Anal fin with 2 spines and 8-10 soft rays. Pelvic fins thoracic, with 1 spine and 5 soft rays.

Consigli per l'identificazione

1. 1

   Mouth and Teeth

   Look for a large, oblique mouth with two prominent canine-like teeth at the front of the upper jaw. This distinguishes it from many other sciaenids.

2. 2

   Dorsal Fins

   Observe the two distinct dorsal fins, separated by a notch. The first is spiny, the second soft-rayed.

3. 3

   Geographic Location

   If encountered in the upper Gulf of California, especially during the spawning season, it is highly likely to be Cynoscion othonopterus.

4. 4

   Absence of Chin Barbels

   Unlike some other croakers, the Corvina Golfina lacks barbels on its chin.

Esplora Corvina Golfina