New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Tropical

Barbel drum

Ctenosciaena gracilicirrhus Metzelaar, 1919
Max Length
21 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
10–130 m
Climate
Tropical
Resilience
Medium
Vulnerability
32.00/100
Typical Length
16 cm
Depth Zone
demersal

📖 Overview

Inhabits coastal waters, usually over sandy mud bottoms . Feeds mainly on shrimps . Important food fish.

Scientific Name
Ctenosciaena gracilicirrhus
Authority
Metzelaar, 1919
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
21 cm
Depth Range
10–130 m
Latitude
34°S – 13°N
Trophic Level
3.9
Resilience
Medium
Vulnerability
32.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 21 - 24; Anal spines: 2; Anal soft rays: 7 - 8. Body silvery, grey on back and white on belly. Inside of opercle lining black, appearing as a dark triangular blotch externally. Base of pectoral fin and axil with a dark spot. Upper half of spinous dorsal fin dusky. Other fins pale. Mouth moderately large, slightly inferior. Tip of chin with a pointed flexible barbel. Gas bladder carrot-shaped, without appendages. Sagitta (large earstone) thick and ovoid, lapillus (small earstone) rudimentary (Ref 51721).: fusiform / normal.

🌀 Behaviour

Behavioural data for Barbel drum is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; demersal; depth range 10 - 130 m , usually 10 - 80 m . Tropical; 13°N - 34°S, 77°W - 38°W South America to southern Brazil.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.4
Food Items

shrimps (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.08 (TL)
Max TL
21cm
Dorsal Spines
11
Dorsal Rays
23
Anal Spines
2
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
13°N – 34°S
Described By
Metzelaar, 1919

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Barbel drum ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.