Home · Haemulidae · Blacktail grunt
Blacktail grunt (Haemulon melanurum) — Haemulidae

Blacktail grunt

Haemulon melanurum
Family: Haemulidae
LC · Least Concern

The Blacktail grunt (Haemulon melanurum) is a saltwater fish of the family Haemulidae that grows up to 33 cm.

Length
33 cm
Water
Saltwater
Depth
3.0–50.0 m
Diet
Carnivore
Behaviour
Large groups
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Venomous / poisonous
Edibility
Commonly eaten

Description

The cottonwick is a grunt (Haemulidae) from the western Atlantic Ocean. The species has a silvery body with yellowish lengthwise lines and a conspicuous black band over the back that continues into the tail. It occurs on clear inshore and offshore reefs and adjacent seagrass beds, often in schools. With its throat teeth it can make grunting sounds. Nocturnally it feeds on small invertebrates from the bottom. The species is harmless to humans.

Frequently asked questions

How do you recognise the Blacktail grunt?

The Blacktail grunt has a flattened, disc-shaped body, is mainly silver-grey and shows a horizontal stripes pattern.

Where does the Blacktail grunt live?

The Blacktail grunt lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Blacktail grunt get?

The Blacktail grunt grows to a maximum of about 33 cm. On average the species is around 25 cm.

Is the Blacktail grunt dangerous to humans?

The Blacktail grunt is venomous — handle spines with care and seek medical help after a sting if needed.

Is the Blacktail grunt edible?

Yes, the Blacktail grunt is commonly eaten.

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All data

Identification

Dutch name
Zwartstaart-grommer sourced
English name
Blacktail grunt verified
Scientific name
Haemulon melanurum
Family
Haemulidae
Other names
Caesar grunt; Comical grunt; Cottonwick verified

Appearance

Size class
Medium verified
Max length (cm)
33.0 verified
Average length (cm)
25.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
3.0 verified
Max depth (m)
50.0 verified
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Large groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred

For anglers

Edibility
Commonly eaten sourced
Fishing method
Vissen met natuurlijk aas (vis, garnaal, worm) of kunstaas dicht bij rif- en rotsstructuren. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Venomous / poisonous sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Haemulon

More from the family Haemulidae

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