Scientific Name
Haemulon sexfasciatum

Common Name
Greybar grunt

Biology
Body oblong, compressed and not very deep (depth contained 2.9 to 3.3 times in standard length ); mouth large and terminal, its posterior end located under the anterior rim of the eye; first gill arch with 18 to 22 gill rakers; dorsal fin notched, with 11 to 12 spines and 16 to 18 soft rays (XI-XII, 16-18); second anal spine slightly longer and stronger than third; scale series above lateral line oblique; juveniles with 3 vertical bars and a caudal spot that disappears with age; adults with 6 or 7 dark gray vertical bars on a yellowish body; head with a dark spot behind the eye (Ref. 55763).

Classification

Classified By

Gill, 1862

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Grunts (Haemulidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: Gulf of California to Panama.

Range

28°N - 7°N

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

3 m

Depth To - meters

30 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 3 - 30 m (Ref. 5227), usually 10 - 12 m (Ref. 5227)

Trophic Level

4.2 s.e. 0.73 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

71.0 cm

Common Length

30.0 cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

High vulnerability (58 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.13)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)