Fin's Fish Guide
The Blacktail grunt (Haemulon melanurum) is a saltwater fish of the family Haemulidae that grows up to 33 cm.
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. Black band across the back and tail; shoaling, grunting grunt of reefs and seagrass beds. Caution: in tropical areas this species can cause ciguatera poisoning when eaten; large specimens of coral reef predators can accumulate the toxin. Eat with care or avoid in risk areas.
Where does the Blacktail grunt live?
The Blacktail grunt lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Atlantic; clear reefs and seagrass beds.
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. None required: this species is harmless to humans.
Is the Blacktail grunt edible?
Yes, the Blacktail grunt is commonly eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Haemulon
More from the family Haemulidae
Want the complete picture on the Blacktail grunt?
Point your camera at the fish and Fin names the species in seconds. Free, and the Blacktail grunt is one of 12,519 species in the app.