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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Lampanyctinae
Etymology: Lampanyctus: Greek, lampas, -ados = torch + Greek, nykte = night (Ref. 45335).
More on author: Gilbert.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 772 - 3400 m (Ref. 50610), usually 500 - ? m (Ref. 82347). Deep-water; 66°N - 24°N, 135°E - 111°W
North Pacific: Bering Sea to the region east of Hokkaido, Japan in the western Pacific; Gulf of Alaska to off Bahia Magdalena, Baja California.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 21.0 cm TL hane/ej könsbestämd; (Ref. 80637)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 15 - 16; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 17 - 19; Ryggkotor: 36 - 38. 12-15 AO photophores; 8-9 tooth patches on the lower limb of the second gill arch; 37-40 lateral line organs (Ref. 36121). Pectoral fins with rather robust, stout rays (Ref. 36121). Rich brown to black, darkest dorsally and lighter below; dusky on fins, inner rays of pelvic fins whitish (Ref. 6885).
Body shape (shape guide): elongated.
Epipelagic to mesopelagic (Ref. 31442); minimum depth of occurrence is 500 m upon reaching about 5 cm length (54657). Feed on euphausiids (Ref. 6885). Oviparous, with planktonic eggs and larvae (Ref. 31442).
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))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00589 (0.00367 - 0.00946), b=3.18 (3.05 - 3.31), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.40 se; based on food items. |
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Generation time |
5.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (40 of 100). 🛈 |