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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Diaphinae
Etymology: Diaphus: Greek, dis, dia = through + Greek, physa, phyo = to beget, to have as offspring (Ref. 45335).
Eponymy: ‘Hudson’ was a vessel belonging to the Canadian Coast Guard. The holotype of this species was collected during the Hudson 70 Cruise around the Americas and named in honour of it. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; havsvandrande (Ref. 51243); djupintervall 0 - 840 m (Ref. 58018). Deep-water; 30°S - 52°S
Circumglobal between Subtropical Convergence and about 50°S, but extends in eastern boundary currents. South Atlantic, Pacific and parts of Indian Ocean (Ref. 47377).
Length at first maturity / Size / Vikt / Age
Maturity: Lm ?, range 5 - ? cm
Max length : 8.4 cm SL hane/ej könsbestämd; (Ref. 5182)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 13 - 15; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 12 - 14.
Oceanic and mesopelagic, occurs mainly below 250 m at night (Ref. 4066). Taken as prey by hakes, kingklip and Cape horse mackerel (Ref. 36731). Specimens reach sexual maturity at a length of 5,4 cm; occurs in waters between 5° and 15°C. (Ref. 47377). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Hulley, P.A., 1990. Myctophidae. p. 398-467. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI; Paris; and UNESCO, Paris. Vol. 1. (Ref. 4479)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 7.1 - 15.8, mean 11.9 °C (based on 182 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00328 - 0.01756), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.52 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).