Scaleless black dragonfish (Melanostomias bartonbeani) fish species and information / pictures of Scaleless black dragonfish - Melanostomias bartonbeani

Scaleless black dragonfish (Melanostomias bartonbeani) fish species information

Scientific Name
Melanostomias bartonbeani

Common Name
Scaleless black dragonfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 12-16; Anal spines: 0; Anal soft rays: 16 - 20. Barbel expanded end wide proximally, tapers to a point distally. Stem of barbel pigmented. Numerous small photophores present (Ref. 37473).

Classification

Classified By

Parr, 1927

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Barbeled dragonfishes (Stomiidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: from 56?N east of 40?W south to Guinea Bissau, also from Namibia to South Africa. Western Atlantic: west of 40?W between 45?N-25?N, and from Brazil to Argentina. Northwest Atlantic: Canada (Ref. 5951). Also Indian and Pacific Oceans.

Range

56°N - 40°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

25 m

Depth To - meters

2000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 25 - 2000 m (Ref. 2732)

Trophic Level

4.5 s.e. 0.80 Based on food items.

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

26.2 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

Moderate vulnerability (36 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