Rudderfish (Centrolophus niger) fish species and information / pictures of Rudderfish - Centrolophus niger

Rudderfish (Centrolophus niger) fish species information

Scientific Name
Centrolophus niger

Common Name
Rudderfish

Biology
Dorsal spines (total): 5; Dorsal soft rays (total): 37-41; Anal spines: 3; Anal soft rays: 20 - 24. Dark brown to black, occasionally almost bluish; median and pelvic fins darker than body; young with 2-4 vertical bars (Ref. 4410). Snout is slightly longer than the eye diameter (Ref. 35388).

Classification

Classified By
Gmelin, 1789
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Medusafishes (Centrolophidae)

Distribution

Region
North Atlantic
Distribution
North Atlantic: Nova Scotia and Grand Banks (Canada) to Massachusetts, USA (Ref. 7251). Also known from the Northeast Atlantic and the Mediterranean Sea. Southeast Atlantic and Indian Ocean: South Africa and Australia (including New South Wales). Southwest Pacific: New Zealand. Southern Ocean. Antitropical.
Range
68°N - 55°S, 180°W - 180°E

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
40 m
Depth To - meters
1050 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; depth range 40 - 1050 m (Ref. 52180), usually 300 - 700 m (Ref. 52180)
Trophic Level
3.92 s.e. 0.38 Based on food items.
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
150 cm
Common Length
60.0 cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: of potential interest; gamefish: yes
Vulnerability
Very high vulnerability (85 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated