Como identificar Cobia

Para identificar Cobia (Rachycentron canadum), observe estas características principais.

Características físicas

Formato do corpo

elongated

Coloração

Dorsal surface dark brown to black, fading to a silvery-white belly. A prominent dark lateral stripe extends from the snout through the eye to the base of the caudal fin, often bordered by thinner, lighter stripes above and below. Juveniles have more distinct black and white stripes.

Tipo de escama

cycloid

Posição da boca

superior

Características distintivas

Broad, flattened head, Prognathous lower jaw (extends beyond the upper jaw), Eight to ten short, isolated dorsal spines preceding the soft-rayed dorsal fin, Large, horizontally oriented pectoral fins, Forked caudal fin with the upper lobe slightly longer than the lower in adults

Nadadeira dorsal

First dorsal fin consists of 7-9 (typically 8) short, stout, isolated spines, not connected by a membrane. Second dorsal fin is long and low, with 26-33 soft rays, similar in shape and size to the anal fin.

Nadadeira caudal

Strongly forked caudal fin; upper lobe is typically longer than the lower lobe in adults, giving it a somewhat shark-like appearance.

Nadadeira peitoral

Large, horizontally oriented pectoral fins, positioned low on the body, aiding in its powerful swimming.

Nadadeiras características

Pelvic fins are located directly below the pectoral fins. Anal fin is long and low, with 22-28 soft rays, mirroring the second dorsal fin.

Dicas de identificação

1. 1

   Body Shape and Coloration

   Look for the elongated, torpedo-shaped body with a dark brown to black back and a silvery-white belly. The prominent dark lateral stripe is a key identifier.

2. 2

   Dorsal Spines

   The most distinctive feature is the series of 7-9 short, isolated dorsal spines that are not connected by a membrane, located anterior to the long, soft-rayed dorsal fin.

3. 3

   Head Shape

   The broad, flattened head and prognathous lower jaw are characteristic.

4. 4

   Caudal Fin

   The forked caudal fin, with the upper lobe often longer than the lower, is another good indicator, especially in adults.

5. 5

   Behavior

   Often seen swimming slowly near the surface, sometimes accompanying sharks, rays, or turtles, or congregating around floating objects.

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