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