Smallhead snaggletooth (Neonesthes microcephalus) fish species and information / pictures of Smallhead snaggletooth - Neonesthes microcephalus

Smallhead snaggletooth (Neonesthes microcephalus) fish species information

Scientific Name
Neonesthes microcephalus

Common Name
Smallhead snaggletooth

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 8-9; Anal spines: 0; Anal soft rays: 21 - 24. Body black in color, often iridescent (Ref. 3982).

Classification

Classified By

Norman, 1930

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Barbeled dragonfishes (Stomiidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: south of about 3?N, mostly south of 15?S. Across the south Atlantic between 15? and 40?S. One specimen known from 3?S-26?W. Also known from the southern Indian and west Pacific oceans and off Hawaii.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

600 m

Depth To - meters

1600 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 600 - 1600 m (Ref. 58302)

Trophic Level

3.8 s.e. 0.61 Based on size and trophs of closest relatives

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

17.2 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (27 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated