Barbel drum (Ctenosciaena gracilicirrhus) fish species and information / pictures of Barbel drum - Ctenosciaena gracilicirrhus

Barbel drum (Ctenosciaena gracilicirrhus) fish species information

Scientific Name
Ctenosciaena gracilicirrhus

Common Name
Barbel drum

Biology
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).

Classification

Classified By
Metzelaar, 1919
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Drums or croakers (Sciaenidae)

Distribution

Region
Western Atlantic
Distribution
Western Atlantic: Nicaragua along the Caribbean coast and Atlantic coasts of South America to southern Brazil.
Range
13°N - 34°S, 77°W - 38°W

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
10 m
Depth To - meters
130 m
Zone
demersal
Environment
Marine; demersal; depth range 10 - 130 m (Ref. 9626), usually 10 - 80 m (Ref. 3702)
Trophic Level
3.82 s.e. 0.64 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
21.0 cm
Common Length
16.0 cm
Phylogenetic Diversity Index
PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial; bait: usually
Vulnerability
Low vulnerability (18 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated