Highlight hatchetfish (Sternoptyx pseudobscura) fish species and information / pictures of Highlight hatchetfish - Sternoptyx pseudobscura

Highlight hatchetfish (Sternoptyx pseudobscura) fish species information

Scientific Name
Sternoptyx pseudobscura

Common Name
Highlight hatchetfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 9-12; Anal spines: 0; Anal soft rays: 13 - 15; Vertebrae: 27 - 30. Triangular transparent membrane above anal fin (Ref. 13608).

Classification

Classified By

Baird, 1971

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Marine hatchetfishes (Sternoptychidae)

Distribution

Region

Widely distributed in the three major oceans. Eastern Atlantic

Distribution

Widely distributed in the three major oceans. Eastern Atlantic: Portugal south to South Africa. Eastern Pacific: British Columbia, Canada (Ref. 11980). South China Sea and East China Sea (Ref.74511).

Range

43°N - 40°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

2000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 0 - 2000 m (Ref. 74511), usually 800 - 1200 m (Ref. 4054)

Trophic Level

3.39 s.e. 0.45 Based on diet studies.

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

6.0 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: of no interest

Vulnerability

Low vulnerability (19 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated