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