How to Identify Tomato Grouper

To identify Tomato Grouper (Cephalopholis sonnerati), look at these key features.

Physical Characteristics

Body shape

elongated

Coloration

Highly variable, ranging from reddish-orange to deep red or brownish-red, often with numerous small, irregular pale spots (white, pink, or yellowish) scattered over the head, body, and fins. Some individuals may display darker blotches or bands, especially when stressed or during courtship. The posterior margins of the soft dorsal, anal, and caudal fins are often narrowly edged in white or pale yellow.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Robust body with a relatively large head and mouth., Rounded caudal fin., Small, irregular pale spots covering the body and fins., Often has a narrow pale margin on the posterior edges of the soft dorsal, anal, and caudal fins.

Dorsal fin

Single dorsal fin with 9 spines and 10-11 soft rays. The spinous portion is continuous with the soft-rayed portion.

Tail fin

Rounded caudal fin.

Pectoral fin

Large and rounded, typically with 17-19 rays.

Distinctive fins

Pelvic fins are relatively short, originating slightly anterior to the pectoral fin base.

Identification Tips

1. 1

   Coloration and Spotting

   Look for the characteristic reddish-orange to deep red body color adorned with numerous small, irregular pale spots. The intensity and color of these spots can vary.

2. 2

   Fin Margins

   Observe the narrow white or pale yellow margins on the posterior edges of the soft dorsal, anal, and caudal fins, which are often present.

3. 3

   Caudal Fin Shape

   Note the distinctly rounded caudal fin, a key feature for Cephalopholis species.

4. 4

   Body Shape

   Its robust, somewhat elongated body and large head are typical of groupers in this genus.

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