How to Identify White Grunt

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

Physical Characteristics

Body shape

compressed

Coloration

Silvery-white to pale grey body, often with a yellowish tint. Distinctive blue stripes and spots on the head, particularly around the snout and operculum. The fins are typically yellowish, especially the caudal and pectoral fins. Juveniles may have a dark lateral stripe.

Scale type

ctenoid

Mouth position

terminal

Distinctive features

Prominent blue stripes and spots on the head., Yellowish fins., Large scales., Thick lips., Grinding pharyngeal teeth that produce a 'grunting' sound.

Dorsal fin

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

Tail fin

Forked caudal fin.

Pectoral fin

Long and pointed pectoral fins.

Distinctive fins

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

Identification Tips

1. 1

   Head Markings

   Look for the characteristic blue stripes and spots on the head, especially around the snout and operculum. These are a key differentiator from other grunt species.

2. 2

   Fin Coloration

   The yellowish tint to the fins, particularly the caudal and pectoral fins, is a good indicator.

3. 3

   Body Shape and Color

   Its silvery-white to pale grey body with a compressed shape is typical. While other grunts share this, the head markings are more definitive.

4. 4

   Size

   Adults typically reach 30-45 cm (12-18 inches) in length, with a maximum recorded size of about 60 cm (24 inches) and a weight of up to 4.5 kg (10 lbs).

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