Come identificare Corvina

Per identificare Corvina (Bairdiella chrysoura), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Overall silvery, often with a darker greenish-gray dorsal surface fading to a bright silver on the sides and belly. Fins are typically yellowish, especially the caudal fin, which gives rise to the 'Yellowtail Croaker' common name. Juveniles may have faint vertical bars.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Silvery body with yellowish fins, Two dorsal fins, deeply notched, Large mouth with small, conical teeth, Prominent lateral line, Produces a croaking sound

Pinna dorsale

Two dorsal fins, deeply notched. The first dorsal fin has 10-11 spines; the second dorsal fin has 1 spine and 20-24 soft rays.

Pinna caudale

Slightly emarginate to truncate caudal fin, often yellowish.

Pinna pettorale

Moderately long pectoral fins, typically yellowish.

Pinne distintive

Anal fin with 2 spines and 8-9 soft rays. Pelvic fins thoracic.

Consigli per l'identificazione

1. 1

   Coloration

   Look for the overall silvery body and distinct yellowish tint to the fins, particularly the caudal fin.

2. 2

   Dorsal Fins

   Note the two distinct dorsal fins, with the first being spiny and the second having a single spine followed by numerous soft rays, separated by a deep notch.

3. 3

   Sound Production

   If handled or disturbed, they may produce a characteristic croaking or drumming sound, a hallmark of the Sciaenidae family.

4. 4

   Size

   Adults typically range from 15-25 cm (6-10 inches) in length, with a maximum recorded size of about 30 cm (12 inches).

Esplora Corvina