Como identificar Yellowtail Amberjack

Para identificar Yellowtail Amberjack (Seriola lalandi), observe estas características principais.

Características físicas

Formato do corpo

torpedo

Coloração

Dorsal side is typically dark blue to greenish-blue, fading to silvery-white on the ventral side. A distinct iridescent yellow to brassy stripe runs horizontally from the snout through the eye to the caudal peduncle. The caudal fin is bright yellow.

Tipo de escama

cycloid

Posição da boca

terminal

Características distintivas

Prominent yellow lateral stripe, Bright yellow caudal fin, Streamlined, fusiform body adapted for speed, Absence of scutes along the lateral line (distinguishing from some other Carangids)

Nadadeira dorsal

Two dorsal fins; the first is short with 7-8 spines, and the second is much longer with 1 spine and 28-33 soft rays. The anterior rays of the second dorsal fin are elevated.

Nadadeira caudal

Deeply forked and bright yellow, indicative of a fast-swimming pelagic species.

Nadadeira peitoral

Relatively short, falcate (sickle-shaped), and positioned low on the body.

Nadadeiras características

Anal fin is similar in shape and size to the second dorsal fin, preceded by 2 detached spines (which may be embedded in larger adults) and followed by 1 spine and 18-22 soft rays. Pelvic fins are well-developed.

Dicas de identificação

1. 1

   Coloration and Stripe

   Look for the distinctive iridescent yellow to brassy stripe running horizontally along the flank, from the snout to the caudal peduncle. The caudal fin is bright yellow.

2. 2

   Body Shape

   Its torpedo-shaped, streamlined body is characteristic of a fast-swimming pelagic predator.

3. 3

   Dorsal Fins

   Two dorsal fins, with the second dorsal fin being significantly longer than the first, and its anterior rays elevated.

4. 4

   Absence of Scutes

   Unlike some other Carangids (jacks and trevallies), Seriola lalandi lacks prominent scutes (bony plates) along the lateral line, though it does have small, cycloid scales.

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