Smalltooth grenadier (Nezumia micronychodon) fish species and information / pictures of Smalltooth grenadier - Nezumia micronychodon

Smalltooth grenadier (Nezumia micronychodon) fish species information

Scientific Name
Nezumia micronychodon

Common Name
Smalltooth grenadier

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 140-141. Head large; eyes also large; snout short, narrow, bluntly acute, with a small bifid scute at its tip. Head completely scaled except for underside of snout. Body tapering to a point posteriorly from behind the origin of the first dorsal fin base. Pyloric caeca 20. Spinules on scales broad, shield-shaped. Overall color is brownish to swarthy; trunk bluish to violet; fins blackish; mouth and gill cavities gray to blackish.

Classification

Classified By

Iwamoto, 1970

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Eastern Central Atlantic

Distribution

Eastern Central Atlantic: Western Sahara south to Angola.

Range

24°N - 17°S, 22°W - 13°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

366 m

Depth To - meters

1620 m

Zone

bathydemersal

Environment

Marine; bathydemersal; non-migratory; depth range 366 - 1620 m (Ref. 1371), usually 500 - 600 m (Ref. 1371)

Trophic Level

3.19 s.e. 0.31 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

34.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (40 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated