Come identificare Corvina

Per identificare Corvina (Micropogonias furnieri), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Dorsal surface typically grayish-silver to brownish-silver, fading to silvery-white on the flanks and belly. Fins are generally dusky or yellowish. The interior of the mouth is distinctly white, a key diagnostic feature.

Tipo di squame

ctenoid

Posizione della bocca

inferior

Caratteristiche distintive

White interior of the mouth, A single, short, stout barbel on the chin (often inconspicuous in adults), Two dorsal fins, deeply notched, Large scales, Lateral line slightly arched anteriorly, then straight to the caudal fin

Pinna dorsale

Two dorsal fins, deeply notched; the first dorsal fin has 10-11 spines, and the second dorsal fin has 1 spine and 25-29 soft rays.

Pinna caudale

Truncate to slightly emarginate caudal fin.

Pinna pettorale

Pectoral fins are moderately long, reaching beyond the tip of the pelvic fins.

Pinne distintive

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

Consigli per l'identificazione

1. 1

   Mouth Coloration

   The most reliable field mark is the distinctly white interior of the mouth, which contrasts with the darker exterior.

2. 2

   Chin Barbel

   Look for a single, short, and stout barbel on the chin, though it can be small and difficult to see in some individuals.

3. 3

   Dorsal Fin Structure

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

4. 4

   Body Shape and Color

   Elongated, moderately compressed body with a silvery-gray to brownish-silver back and white belly.

Esplora Corvina