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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Lampanyctinae
Etymology: Lampanyctus: Greek, lampas, -ados = torch + Greek, nykte = night (Ref. 45335).
Eponymy: John Dove Isaacs III (1913–1980) was an oceanographer, naturalist, engineer, fisherman and marine scientist. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-oceanic; havsvandrande (Ref. 51243); djupintervall 0 - 2300 m (Ref. 26282), usually 40 - 750 m (Ref. 4479). Subtropical
Eastern Central Atlantic: found only in the Mauritanian Upwelling Region (20°N-5°N), mainly east of 30°W, and in the Guinean Province south to about 16°S in the Angola Current, but to about 3°S in the region of 20°W. Specimens reported from the western tropical Atlantic off eastern Brazil are regarded as waifs.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?, range 11 - ? cm
Max length : 15.8 cm SL hane/ej könsbestämd; (Ref. 126117); publicerad maxvikt: 26.70 g (Ref. 126117)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 14 - 16; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 17 - 20; Ryggkotor: 35 - 36. 13-14 AO photophores; 9-10 tooth patches on the lower limb of the second gill arch; 34-36 lateral line organs (Ref. 36121).
High-oceanic, mesopelagic species. Found at 550-750 m during the day, at 40-325 m during the night, while maximum abundance is at 100m (Ref. 4479).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Zahuranec, B.J., 2000. Zoogeography and systematics of the lanternfishes of the genus Nannobrachium (Myctophidae: Lampanictini). Smithson. Contrib. Zool., 607:1-69. (Ref. 36121)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 6.1 - 20.7, mean 14.1 °C (based on 73 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00286 - 0.00877), b=3.16 (3.01 - 3.31), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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