Teleostei (teleosts) >
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
Ecology
Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 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 / Weight / Age
Maturity: Lm ?, range 5 - ? cm
Max length : 8.4 cm SL male/unsexed; (Ref. 5182)
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
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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 2025-2)
Threat to humans
Harmless
Human uses
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![Image of Diaphus hudsoni (Hudson\](/images/thumbnails/jpg/tn_Dihud_u0.jpg "Image of Diaphus hudsoni (Hudson\")
