Hiddenbulb dragonfish (Eustomias cryptobulbus) fish species and information / pictures of Hiddenbulb dragonfish - Eustomias cryptobulbus

Hiddenbulb dragonfish (Eustomias cryptobulbus) fish species information

Scientific Name
Eustomias cryptobulbus

Common Name
Hiddenbulb dragonfish

Biology
Barbel with three slender, unpigmented branches arising together from stem; all three reaching to or well beyond barbel tip; barbel stem pigmented externally up to origin of branches; only axis of distal part of stem pigmented except for an elongate, often distally forked, patch of external pigment extending dorsally from distal section of stem almost to distal tip of terminal bulb; bulb elongate, its length well over two times in its thickness; medial and lateral terminal filaments arising from unpigmented bulb tip (Ref. 45801).

Classification

Classified By

Clarke, 2001

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Barbeled dragonfishes (Stomiidae)

Distribution

Region

Indo-Pacific

Distribution

Indo-Pacific: known from two stations in the Indian Ocean and from many areas throughout the Pacific. Also known from four stations in the southeast Atlantic.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

975 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 0 - 975 m (Ref. 45801)

Trophic Level

4.29 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

13.9 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 (26 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