Boulenger's snaggletooth (Astronesthes boulengeri) fish species and information / pictures of Boulenger's snaggletooth - Astronesthes boulengeri

Boulenger's snaggletooth (Astronesthes boulengeri) fish species information

Scientific Name
Astronesthes boulengeri

Common Name
Boulenger's snaggletooth

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 13-17; Anal spines: 0; Anal soft rays: 12 - 18. Black in color with pale luminous patches, which develop with growth, on dorsal and ventral caudal peduncle and other parts of body (Ref. 3982).

Classification

Classified By

Gilchrist, 1902

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Barbeled dragonfishes (Stomiidae)

Distribution

Region

Circumpolar between 30? and 40?S.

Distribution

Circumpolar between 30? and 40?S.

Range

20°S - 40°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

12 m

Depth To - meters

4000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 12 - 4000 m (Ref. 34190)

Trophic Level

4.06 s.e. 0.63 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

21.0 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

Low to moderate vulnerability (29 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