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White Grunt

Haemulon plumierii

White Grunt
Photo by Chris Spain · CC0

About

The white grunt is a common reef fish of the western Atlantic, named for the grunting sound it makes when caught or threatened. It grows to about 53 cm and 4.4 kg, though most are closer to 30 cm.

Also known as: boar grunt, redmouth grunt

Length
30 cm · max 53 cm
Weight
max 4.4 kg
Depth
up to 40 m

How to tell it apart

This grunt is easily confused with the closely related bluestriped and French grunts, which it often schools alongside. Look for narrow blue stripes crossing the side of its head, rather than running only along the body.

Appearance

The body is silvery cream, marked with narrow yellow and blue stripes running along its length, and narrow blue stripes also cross the side of the head. It has a long head with a distinct snout, curved pectoral fins, and a forked tail. It can shift to a paler or darker shade to match its surroundings.

Habitat

White grunts live around reefs, mangroves, docks, and other structure from Chesapeake Bay through the Caribbean and Gulf of Mexico to Brazil, at depths of 3 to 40 m. By day they gather in dense groups on patch reefs, near coral formations, or over sandy bottoms.

Did you know?

Two white grunts will sometimes settle a territorial dispute by pressing their open mouths together in a 'kissing' contest.

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