Teleostei (teleosts) >
Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Myctophinae
Etymology: Protomyctophum: Greek, pro = first, in front of + Greek, mykter, -eros = nose + Greek, ophys = serpent (Ref. 45335).
Eponymy: John Roxborough Norman (1898–1944) was an English ichthyologist who started his working life as a bank clerk. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; oceanodromous (Ref. 51243). Deep-water; 41°S - 48°S
Circumglobal between 36° and 43°S. Southern Ocean: 45°10'S, 69°12'E and 41°-48°S, 51°-71°E. Once taken west of Slangkop Lighthouse in southern Africa (Ref. 4066).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.6 cm SL male/unsexed; (Ref. 5182)
High-oceanic and mesopelagic; found in the upper 104 m at night (Ref. 4066). Possibly fed on by Champsocephalus gunnari.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hulley, P.A., 1990. Myctophidae. p. 146-178. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5182)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 6.7 - 11.7, mean 9.5 °C (based on 49 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00371 - 0.01953), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.49 se; based on food items.
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).