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