How to Identify Sixbar grouper

To identify Sixbar grouper (Epinephelus sexfasciatus), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

The body is typically pale yellowish-brown to reddish-brown, adorned with 5 to 7 (most commonly 6) distinct dark brown to black vertical bars that extend from the dorsal fin to the belly. The head often has irregular dark spots or blotches. Fins are generally dusky, sometimes with faint spotting.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Six prominent dark vertical bars on the body, Small dark spots on the head and sometimes on the fins, Relatively small eyes for a grouper

Dorsal fin

Single dorsal fin with 11 spines and 17-19 soft rays. The spiny portion is longer than the soft-rayed portion.

Tail fin

Rounded caudal fin.

Pectoral fin

Pectoral fins are relatively short and rounded, with 17-19 rays.

Distinctive fins

Pelvic fins are inserted slightly behind the base of the pectoral fins.

Identification Tips

1. 1

   Body Bars

   Count the distinct dark vertical bars on the body; there are typically six, which is a key identifier.

2. 2

   Head Markings

   Look for small, irregular dark spots or blotches on the head, which can help distinguish it from other barred groupers.

3. 3

   Caudal Fin Shape

   Note the rounded shape of the caudal (tail) fin.

4. 4

   Dorsal Fin Spines

   Observe the number of dorsal fin spines (11) and soft rays (17-19).

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