Como identificar Pargo-cinzento

Para identificar Pargo-cinzento (Lutjanus griseus), observe estas características principais.

Características físicas

Formato do corpo

compressed

Coloração

Generally gray to greenish-brown on the back and sides, fading to a lighter, often reddish or coppery, belly. Fins are typically dusky. Juveniles often have a prominent dark stripe running from the snout through the eye to the operculum, and a small, dark spot below the anterior soft dorsal fin rays, which fades with age.

Tipo de escama

ctenoid

Posição da boca

terminal

Características distintivas

Relatively pointed snout, Large mouth with canine-like teeth, Vomerine tooth patch is anchor-shaped with a posterior extension, Absence of a prominent black spot on the side (present in some other snapper species), Often exhibits a reddish tinge on the fins, particularly the anal and caudal fins, in some individuals or habitats.

Nadadeira dorsal

Single dorsal fin with 10 spines followed by 14 soft rays. The spiny and soft-rayed portions are continuous.

Nadadeira caudal

Slightly emarginate to truncate caudal fin.

Nadadeira peitoral

Long pectoral fins, typically reaching to or beyond the anus.

Nadadeiras características

Anal fin with 3 spines and 7-8 soft rays. Pelvic fins are thoracic.

Dicas de identificação

1. 1

   Coloration

   Look for the overall gray to greenish-brown body, often with a reddish or coppery wash on the belly and fins. Juveniles have a distinctive dark stripe through the eye and a small dark spot below the dorsal fin.

2. 2

   Vomerine Tooth Patch

   The anchor-shaped vomerine tooth patch with a posterior extension is a key diagnostic feature for Lutjanus griseus, distinguishing it from many other snapper species. This requires internal examination.

3. 3

   Fin Ray Counts

   Count the dorsal fin rays (10 spines, 14 soft rays) and anal fin rays (3 spines, 7-8 soft rays). These counts are consistent within the species.

4. 4

   Absence of Black Spot

   Unlike some other snappers (e.g., Lane Snapper, Lutjanus synagris), the Gray Snapper typically lacks a prominent black spot on its side as an adult.

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