Scientific Name
Eustomias bifilis

Common Name
Twinthread dragonfish

Biology
Mesopelagic species (Ref. 559, 75154). Minimum depth from Ref. 58018. Also Ref. 58302.

Classification

Classified By

Gibbs, 1960

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Barbeled dragonfishes (Stomiidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Papua New Guinea (Ref. 6993) and Indonesia (Ref. 5978). Reported from the Hawaiian Islands (Ref. 58302).

Range

30°N - 23°S, 100°E - 154°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

800 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 0 - 800 m (Ref. 58302)

Trophic Level

4.26 s.e. 0.77 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

Unknown 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 (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