How to Identify Pacific Red Snapper

To identify Pacific Red Snapper (Lutjanus peru), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Adults are typically bright red to reddish-pink dorsally, fading to a lighter pink or silvery-red ventrally. Fins are often reddish. Juveniles may exhibit faint vertical bars or spots that fade with age.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Relatively deep body, compressed laterally., Large eyes positioned high on the head., Pointed snout with a moderately large mouth., Canine teeth are prominent, especially in the upper jaw., Preopercle (gill cover bone) is serrated, but the serrations are often fine and not strongly developed in adults.

Dorsal fin

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

Tail fin

Caudal fin is emarginate (slightly forked) to truncate.

Pectoral fin

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

Distinctive fins

Anal fin has 3 spines and 8-9 soft rays. Pelvic fins are thoracic.

Identification Tips

1. 1

   Coloration

   Look for the characteristic bright red to reddish-pink body color, which is quite uniform in adults.

2. 2

   Body Shape

   Note the relatively deep, compressed body, typical of many snapper species.

3. 3

   Fin Count

   Count the dorsal fin spines (10) and soft rays (13-14), and anal fin spines (3) and soft rays (8-9) for definitive identification.

4. 4

   Preopercle

   Examine the preopercle for fine serrations, which are present but not as pronounced as in some other snapper species.

5. 5

   Canine Teeth

   Observe the prominent canine teeth, especially in the upper jaw, indicative of its predatory nature.

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