Bigeye grenadier (Macrourus holotrachys) fish species and information / pictures of Bigeye grenadier - Macrourus holotrachys

Bigeye grenadier (Macrourus holotrachys) fish species information

Scientific Name
Macrourus holotrachys

Common Name
Bigeye grenadier

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 124-125; Anal spines: 0; Anal soft rays: 110. Light to medium brown or greyish brown; fins darker, especially distally; mouth and cavities dark (Ref. 1371).

Classification

Classified By

G?nther, 1878

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: so far known only from the Patagonian slope from east of the Rio de la Plata to north of the Falkland Islands and off Shag Rock west of South Georgia. It can be expected also on the west coast of Chile, but its presence there, as well as in other regions where it has been reported must be confirmed.

Range

39°S - 57°S, 62°W - 38°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

300 m

Depth To - meters

1400 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 300 - 1400 m

Trophic Level

3.71 s.e. 0.64 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

80.0 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: minor commercial

Vulnerability

High vulnerability (61 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