Whitson's grenadier (Macrourus whitsoni) fish species and information / pictures of Whitson's grenadier - Macrourus whitsoni

Whitson's grenadier (Macrourus whitsoni) fish species information

Scientific Name
Macrourus whitsoni

Common Name
Whitson's grenadier

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 124-125; Anal spines: 0; Anal soft rays: 110. Eyes relatively large. Snout short, moderately pointed, usually somewhat rounded with a high dorsal profile in adults, but often with prominent tubercles at its tip and lateral angles. Mouth large, lips thin. Underside of the head generally covered with small scales. Pyloric caeca 18 to 28. Overall color dark brown to swarthy in most individuals, but some are much paler; fins and lips blackish (Ref. 1371).

Classification

Classified By
Regan, 1913
Class
Ray-finned fishes (Actinopterygii)
Order
Cods (Gadiformes)
Family
Grenadiers or rattails (Macrouridae)

Distribution

Region
Southern Ocean
Distribution
Southern Ocean: Circumpolar (generally confined inside the Convergence except in the Falkland Islands area).
Range
47°S - 79°S, 180°W - 180°E

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
400 m
Depth To - meters
3185 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 400 - 3185 m (Ref. 1371), usually 600 - 1500 m (Ref. 1371)
Trophic Level
3.47 s.e. 0.49 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
75.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial
Vulnerability
High vulnerability (62 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated