Common names from other countries
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino batipelagico; oceanodromo (Ref. 51243). Deep-water; 21°S -
Circumglobal from the Subtropical Convergence to south of the Antarctic Polar Front at Weddell-Scotia confluence and northern reaches of Ross Sea, and extending northwards to 21°S in meridional currents.
Length at first maturity / Size / Peso / Age
Maturity: Lm ?, range 13 - ? cm
Max length : 16.2 cm SL maschio/sesso non determinato; (Ref. 5182)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 13 - 16; Spine anali: 0; Raggi anali molli: 15 - 19; Vertebre: 36 - 38. 14-16 AO photophores; 9-12 tooth patches on the lower limb of the second gill arch; 34-38 lateral line organs (Ref. 36121). Pectoral fins relatively long and well developed in juveniles (easily visible in individuals up to about 6 cm SL), progressively becoming relatively shorter, with thicker rays, and covered by skin (in various stages of becoming vestigial between 5-8 cm SL). Adults (greater than 8 cm SL) with vestigial rays buried in skin and not externally visible unless skin abraded or otherwise torn (Ref. 36121).
Oceanic (Ref. 4479) and mesopelagic (Ref. 75154). Usually found below 500 m at night but shallower in upwelling regions.
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
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. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Ref.
115969): 0.5 - 3.4, mean 2.4 (based on 1426 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00217 - 0.01054), b=3.16 (2.98 - 3.34), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).