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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Lampanyctinae
Etymology: Lampanyctus: Greek, lampas, -ados = torch + Greek, nykte = night (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; havsvandrande (Ref. 51243); djupintervall 60 - 1100 m (Ref. 36121). Deep-water; 58°N - 46°S
Most widely distributed species of Nannobrachium (Ref. 36121). Atlantic Ocean: bipolar, generally between 17°N-58°N and 15°S-40°S. Indian Ocean: 12°S-44°S. Southwest Pacific: between Australia and New Zealand, and in the Tasman Sea. Southern Ocean: 45°10'S, 69°12'E (Ref. 5182).
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?, range 9 - ? cm
Max length : 18.1 cm SL hane/ej könsbestämd; (Ref. 126117); publicerad maxvikt: 36.30 g (Ref. 126117)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 13 - 16; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 17 - 21; Ryggkotor: 36 - 39. 7.5-10 tooth patches on the lower limb of the second gill arch; 12-15 AO photophores; 36-39 lateral line organs (Ref. 36121). Pectoral fins with extremely weak and flexible rays (Ref. 36121).
Body shape (shape guide): elongated.
Oceanic and mesopelagic (Ref. 4066), found between 550-850 m during the day; between 60-850 m at night with maximum abundance between 100-150 m (Ref. 4479). Size stratification with depth during the day (Ref. 4066).
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=0.00468 (0.00266 - 0.00822), b=3.13 (2.98 - 3.28), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±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) |
Moderate vulnerability (39 of 100). 🛈 |