Dusky lanternfish (Nannobrachium atrum) fish species and information / pictures of Dusky lanternfish - Nannobrachium atrum

Dusky lanternfish (Nannobrachium atrum) fish species information

Scientific Name
Nannobrachium atrum

Common Name
Dusky lanternfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 13-16; Anal spines: 0; Anal soft rays: 17 - 21; Vertebrae: 36 - 39. 7.5-10 tooth patches on the lower limb of the second gill arch; 12-15 AO photophores; 36-39 lateral line organs (Ref. 36121). Pectoral fins with extremely weak and flexible rays (Ref. 36121).

Classification

Classified By
T?ning, 1928
Class
Ray-finned fishes (Actinopterygii)
Order
Lanternfishes (Myctophiformes)
Family
Lanternfishes (Myctophidae)

Distribution

Region
Most widely distributed species of Nannobrachium (Ref. 36121). Atlantic Ocean
Distribution
Most widely distributed species of Nannobrachium (Ref. 36121). Atlantic Ocean: bipolar, generally between 17?N-58?N and 15?S-40?S. Indian Ocean: 12?S-44?S. Southwest Pacific: between Australia and New Zealand, and in the Tasman Sea. Southern Ocean: 45?10'S, 69?12'E (Ref. 5182).
Range
58°N - 46°S

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
60 m
Depth To - meters
1100 m
Zone
bathyalpelagic
Environment
Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 60 - 1100 m (Ref. 36121)
Trophic Level
3.18 s.e. 0.38 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
14.0 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