Come identificare Greater Amberjack

Per identificare Greater Amberjack (Seriola dumerili), osserva queste caratteristiche chiave.

Caratteristiche fisiche

Forma del corpo

torpedo

Colorazione

Dorsal side is typically dark blue to bluish-gray, fading to silvery-white on the ventral side. A distinctive amber or yellowish stripe often runs horizontally from the snout through the eye to the base of the first dorsal fin. Juveniles exhibit vertical bars on their flanks, which fade with age.

Tipo di squame

cycloid

Posizione della bocca

terminal

Caratteristiche distintive

Prominent amber stripe from snout to dorsal fin (often fades in larger adults or after death)., First dorsal fin is much shorter than the second dorsal fin., Absence of scutes along the lateral line (unlike some other Carangids)., Large, powerful caudal fin.

Pinna dorsale

Two dorsal fins; the first is short with 7-8 spines, the second is much longer with 1 spine and 29-35 soft rays.

Pinna caudale

Deeply forked, powerful caudal fin.

Pinna pettorale

Relatively short, falcate pectoral fins.

Pinne distintive

Anal fin similar in shape and size to the second dorsal fin, preceded by 2 detached spines (often embedded in adults).

Consigli per l'identificazione

1. 1

   Amber Stripe

   Look for the characteristic amber or yellowish stripe running from the snout through the eye to the first dorsal fin. This stripe can be more pronounced in live fish and juveniles.

2. 2

   Dorsal Fins

   Note the significant difference in size between the short, spiny first dorsal fin and the much longer, soft-rayed second dorsal fin.

3. 3

   Lateral Line

   Unlike many other jacks, Seriola dumerili lacks prominent scutes (bony plates) along its lateral line, which is a key distinguishing feature.

4. 4

   Body Shape

   Its robust, elongated, and somewhat compressed body, tapering towards the caudal peduncle, is typical for a fast-swimming pelagic predator.

5. 5

   Juvenile Markings

   Juveniles have distinct vertical bars on their flanks, which fade as they mature into adults.

Esplora Greater Amberjack