How to Identify Mutton Snapper

To identify Mutton Snapper (Lutjanus analis), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Adults typically exhibit an olive-green to reddish-brown dorsal coloration, fading to silvery-white or reddish on the sides and belly. They often have a series of narrow, wavy, yellow or reddish lines running horizontally along the body. A prominent, dark, oval spot is usually present below the anterior soft rays of the dorsal fin, often partially or completely above the lateral line. The fins are typically reddish, with the caudal fin often having a dark margin.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Prominent dark, oval spot below the anterior soft rays of the dorsal fin., Pointed anal fin., Deep body compared to other snappers., Relatively small scales above the lateral line compared to below., Can reach up to 94 cm (37 inches) in length and over 15 kg (33 lbs) in weight, though typically encountered at 40-60 cm (16-24 inches).

Dorsal fin

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

Tail fin

Moderately forked caudal fin, often with a dark margin.

Pectoral fin

Long pectoral fins, reaching to or beyond the anus.

Distinctive fins

Anal fin is pointed, with 3 spines and 8 soft rays. Pelvic fins are relatively short.

Identification Tips

1. 1

   Body Spot

   Look for the distinctive dark, oval spot located below the anterior soft rays of the dorsal fin, often partially or entirely above the lateral line. This is a key identifier.

2. 2

   Anal Fin Shape

   The anal fin is distinctly pointed, which helps differentiate it from some other snapper species with rounded or truncate anal fins.

3. 3

   Coloration and Markings

   Observe the olive-green to reddish-brown back, silvery-reddish sides, and the presence of wavy yellow or reddish lines along the body. Reddish fins are also characteristic.

4. 4

   Pectoral Fin Length

   Note the relatively long pectoral fins, which typically extend to or beyond the anus.

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