Come identificare Corvina

Per identificare Corvina (Argyrosomus regius), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Dorsal side is typically dark grey to brownish-bronze, fading to silvery-white on the belly. Flanks often exhibit a golden or coppery sheen, especially in live specimens. Fins are generally dusky.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Large, terminal mouth with small, sharp teeth., Prominent lateral line that extends to the caudal fin., A row of small pores along the lower jaw., Large scales., Ability to produce a drumming sound.

Pinna dorsale

Two dorsal fins; the first is short with 9-10 strong spines, the second is much longer with 1 spine and 26-29 soft rays. A deep notch separates the two.

Pinna caudale

Truncate to slightly emarginate (straight or slightly indented).

Pinna pettorale

Relatively long and pointed, reaching beyond the tip of the pelvic fins.

Pinne distintive

Pelvic fins are thoracic, located directly below the pectoral fins, with 1 spine and 5 soft rays. Anal fin has 2 spines and 7-8 soft rays.

Consigli per l'identificazione

1. 1

   Size and Shape

   Large, robust, elongated body, typically reaching 1.5-2 meters (5-6.5 feet) in length and weighing up to 50-60 kg (110-132 lbs), though larger specimens up to 2.3 meters and 100 kg have been reported. The body is deepest at the origin of the first dorsal fin.

2. 2

   Coloration

   Distinguished by its dark grey to brownish-bronze back, silvery-white belly, and characteristic golden or coppery reflections on the flanks. Fins are generally dark.

3. 3

   Lateral Line

   A prominent, continuous lateral line that extends straight to the caudal fin, often appearing silvery or iridescent.

4. 4

   Mouth and Jaw

   Large, terminal mouth with a slightly oblique gape. The lower jaw is slightly longer than the upper jaw. Look for the row of small pores along the lower jaw.

5. 5

   Dorsal Fins

   Two distinct dorsal fins, separated by a deep notch. The first is spiny and triangular, the second is much longer and soft-rayed.

Esplora Corvina