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🌊 Marine Least Concern ⚡ Reports of ciguatera poisoning 🌡️ Subtropical

Cottonwick grunt

Haemulon melanurum Linnaeus, 1758
Max Length
33 cm
Max Weight
Lifespan
Trophic Level
2.2
Depth
3–50 m
Climate
Subtropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
25 cm
Depth Zone
reef

📖 Overview

Inhabits clear inshore and offshore reefs and adjacent grass beds, often in schools . Feeds on crustaceans . Marketed fresh .

Scientific Name
Haemulon melanurum
Authority
Linnaeus, 1758
Habitat
Marine
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
33 cm
Depth Range
3–50 m
Latitude
12°S – 34°N
Trophic Level
2.2
Resilience
Medium
Vulnerability
33.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 15 - 17; Anal soft rays: 8. Broad black area above line from dorsal fin origin to tip of lower caudal fin lobe, including upper part of caudal peduncle and both lobes of tail. Striking colored species, with a silvery body, black back and tail . With narrow yellow stripes, the broadest mid-lateral .: short and / or deep.

🌀 Behaviour

Behavioural data for Cottonwick grunt is currently being reviewed.

🦐 Diet

Diet information for Cottonwick grunt is currently being compiled.

🥚 Reproduction

🐣 Oviparous
Size at Maturity
19cm TL

Oviparous, distinct pairing during breeding .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 3 - 50 m . Subtropical; 34°N - 12°S, 99°W - 32°W

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.2±0.1
🐠 Schooling
Food Items

crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01738 × L3 (TL)
Max TL
33cm
Dorsal Spines
12
Dorsal Rays
16
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
2.2
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Subtropical
Latitude Range
34°N – 12°S
Described By
Linnaeus, 1758

🌐 Names & Taxonomy

Language Common Names
🇬🇧English cottonwick · Cottonwick grunt · Sandy Goggle
🇫🇷French Gorette mèche
🇪🇸Spanish ronco de lomo prieto · ronco lomo manchado

Scientific Synonyms

Scientific Name Author Year Status
Haemulon dorsale Poey 1860 Synonym
Perca melanura Linnaeus 1758 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 11 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Cottonwick grunt ↗
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