How to Identify White Grunt

To identify White Grunt (Haemulon plumieri), look at these key features.

Physical Characteristics

Body shape

compressed

Coloration

Overall silvery-white to grey, often with a yellowish tint. The body is marked with numerous horizontal, yellowish-brown to golden stripes, particularly prominent on the upper half. The fins are typically dusky or yellowish. The inside of the mouth is distinctly reddish-orange, a key identification feature.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Reddish-orange interior of the mouth, Horizontal yellowish-brown stripes on the body, Large scales, Thick lips

Dorsal fin

Single dorsal fin, deeply notched, with 12 spines and 15-17 soft rays.

Tail fin

Moderately forked caudal fin.

Pectoral fin

Long and pointed pectoral fins.

Distinctive fins

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

Identification Tips

1. 1

   Mouth Color

   The most reliable distinguishing feature is the bright reddish-orange interior of the mouth, visible when the fish grunts or is caught.

2. 2

   Body Stripes

   Look for the distinctive horizontal yellowish-brown to golden stripes running along the body, especially above the lateral line.

3. 3

   Fin Count

   Count the dorsal fin spines (12) and soft rays (15-17) and anal fin spines (3) and soft rays (8-9) for confirmation.

4. 4

   Size

   Adults typically reach 30-45 cm (12-18 inches) in length, with a maximum recorded size of about 53 cm (21 inches) and a weight of 2.5 kg (5.5 lbs).

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