How to Identify Trumpeter Perch

To identify Trumpeter Perch (Pelates sexlineatus), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Silvery-grey to silvery-white body with 5-7 prominent dark longitudinal stripes running from behind the head to the caudal peduncle. The fins are generally translucent or dusky. Juveniles may have more pronounced stripes.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

5-7 dark longitudinal stripes on the body, Small mouth, Slightly compressed body, Spiny dorsal fin

Dorsal fin

Single dorsal fin with a spiny anterior portion (XI-XIII spines) and a soft-rayed posterior portion (9-11 soft rays), deeply notched between the two sections.

Tail fin

Moderately forked caudal fin.

Pectoral fin

Pectoral fins are relatively short and rounded.

Distinctive fins

Anal fin with III spines and 9-10 soft rays. Pelvic fins thoracic with I spine and 5 soft rays.

Identification Tips

1. 1

   Body Stripes

   Count the distinct dark longitudinal stripes on the body. Pelates sexlineatus typically has 5-7, most commonly six, which is a key identifier.

2. 2

   Dorsal Fin

   Observe the dorsal fin, noting the deep notch separating the spiny and soft-rayed portions. The number of spines (XI-XIII) is also diagnostic.

3. 3

   Mouth Size

   The mouth is relatively small and terminal, not extending beyond the anterior margin of the eye.

4. 4

   Overall Shape

   Its moderately compressed, oval-shaped body is characteristic of the Terapontidae family.

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