Come identificare Corvina

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

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Silvery-grey to bronze on the dorsal surface, fading to a lighter, often silvery-white belly. Fins are typically dusky or yellowish. Juveniles may have faint vertical bars or spots.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Prominent lateral line, often with a series of small, white spots along its length., Large, terminal mouth with small, sharp teeth., A characteristic 'drumming' sound produced by males during spawning, generated by vibrating muscles against the swim bladder., Large scales.

Pinna dorsale

Two dorsal fins; the first is spiny (8-10 spines), and the second is soft-rayed (1 spine, 25-29 soft rays). The two fins are separated by a distinct notch.

Pinna caudale

Truncate to slightly emarginate caudal fin.

Pinna pettorale

Moderately long pectoral fins.

Pinne distintive

Anal fin with 2 spines and 7-8 soft rays. Pelvic fins thoracic.

Consigli per l'identificazione

1. 1

   Size and Shape

   Large, robust fish, typically growing to 1.5-2 meters (5-6.5 feet) in length and weighing over 70 kg (150 lbs), though most caught specimens are smaller. Elongated, somewhat compressed body.

2. 2

   Coloration

   Silvery-grey to bronze back, silvery belly. Fins often dusky or yellowish. Look for the subtle iridescent sheen.

3. 3

   Lateral Line

   The lateral line is very distinct and often marked with a series of small, pale spots, particularly noticeable on larger specimens.

4. 4

   Mouth and Teeth

   Large, oblique mouth extending to below the eye, with small, sharp, conical teeth arranged in bands.

5. 5

   Dorsal Fins

   Two distinct dorsal fins, the first spiny and the second soft-rayed, separated by a clear notch.

Esplora Corvina