Actinopterygii (ray-finned fishes) > Myctophiformes
(Lanternfishes) > Myctophidae
(Lanternfishes) > Lampanyctinae
Etymology: Nannobrachium: Latin, nannus = small + Latin, brachium = the upper arm from the shoulder to the elbow; 1731 (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 60 - 1100 m (Ref. 36121). Deep-water; 58°N - 46°S
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).
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 9 - ? cm
Max length : 14.0 cm SL male/unsexed; (Ref. 5182)
Oceanic and mesopelagic (Ref. 4066), found between 550-850 m during the day; between 60-850 m at night with maximum abundance between 100-150 m (Ref. 4479). Size stratification with depth during the day (Ref. 4066).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Zahuranec, B.J., 2000. Zoogeography and systematics of the lanternfishes of the genus Nannobrachium (Myctophidae: Lampanictini). Smithson. Contrib. Zool., 607:1-69. (Ref. 36121)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 2.3 - 17.4, mean 11.2 (based on 542 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (39 of 100) .