Come identificare Corvina

Per identificare Corvina (Cilus gilberti), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

elongated

Colorazione

Generally silvery-grey to brownish on the dorsal side, fading to a lighter, often silvery-white, ventral surface. Fins are typically dusky or yellowish. Some individuals may exhibit faint vertical bars or mottling, especially when young or in specific habitats.

Tipo di squame

ctenoid

Posizione della bocca

terminal

Caratteristiche distintive

Large, prominent scales., A single, continuous dorsal fin deeply notched., A relatively large mouth with small, conical teeth., A characteristic 'croaking' sound produced by drumming muscles against the swim bladder, particularly during spawning or distress.

Pinna dorsale

Single, long dorsal fin, deeply notched, with 10-11 spines in the anterior part and 20-24 soft rays in the posterior part.

Pinna caudale

Truncate to slightly emarginate caudal fin.

Pinna pettorale

Moderately long pectoral fins, typically reaching beyond the pelvic fin origin.

Pinne distintive

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

Consigli per l'identificazione

1. 1

   Dorsal Fin

   Look for the single, deeply notched dorsal fin with a distinct spiny anterior section and a soft-rayed posterior section.

2. 2

   Body Coloration

   Observe the silvery-grey to brownish dorsal coloration fading to a lighter belly. Absence of prominent spots or stripes (distinguishing from some other sciaenids).

3. 3

   Mouth and Teeth

   Note the relatively large mouth with small, conical teeth, indicative of its predatory nature.

4. 4

   Lateral Line

   The lateral line is prominent and curves slightly upwards over the pectoral fin.

Esplora Corvina