How to Identify Five-lined Snapper

To identify Five-lined Snapper (Lutjanus quinquelineatus), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

The body is predominantly yellow to yellowish-white, with five distinct, bright blue to bluish-grey horizontal stripes running along the flanks from behind the operculum to the caudal peduncle. A prominent black spot, often ovoid or irregular in shape, is typically present below the anterior part of the soft dorsal fin, usually touching or partially covering the lateral line. The fins are generally yellow, sometimes with dusky margins.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Five prominent blue horizontal stripes on a yellow body., A distinct black spot below the anterior soft dorsal fin, often touching the lateral line., Large eyes relative to head size., Pointed snout.

Dorsal fin

Single dorsal fin with 10 spines and 13-14 soft rays. The spinous and soft-rayed portions are continuous.

Tail fin

Slightly emarginate to truncate caudal fin.

Pectoral fin

Long pectoral fins, typically reaching to or beyond the anus, with 16-17 rays.

Distinctive fins

Anal fin with 3 spines and 8-9 soft rays. Pelvic fins are relatively short.

Identification Tips

1. 1

   Body Color and Stripes

   Look for the bright yellow body with five distinct blue horizontal stripes. The stripes are usually continuous and well-defined.

2. 2

   Black Spot

   Identify the prominent black spot located below the anterior part of the soft dorsal fin, often intersecting the lateral line. This spot is a key distinguishing feature.

3. 3

   Fin Coloration

   Note the generally yellow fins, which contrast with the blue stripes on the body.

4. 4

   Body Shape

   Observe the moderately deep, compressed body typical of snappers.

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