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Myctophiformes (Lanternfishes) >
Myctophidae (Lanternfishes) > Notolychninae
Etymology: Notolychnus: Greek, noton = back + Greek, lychnos, -ou = torch (Ref. 45335).
Eponymy: Both these species are named after the research vessel ‘Valdivia’ and the Valdivia expedition (1898–1899), Germany’s first expedition to explore deep seas. The holotypes were collected during the expedition. (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batipelagico; oceanodromo (Ref. 51243); distribuzione batimetrica 25 - 700 m (Ref. 4066). Deep-water; 56°N - 40°S, 180°W - 180°E
Worldwide distribution in tropical, subtropical and temperate waters. Eastern Atlantic: west of British Isles and Bay of Biscay to South Africa. Western Atlantic: Canada to Argentina. Western Pacific: between 0° and 32°S. Eastern Pacific: between 32°N and 30°S, but with 20°S southern limit in Peruvian Transitional Zone. Eastern Indian Ocean: between 9°-32°S.
Lunghezza alla prima maturità / Dimensione / Peso / Età
Maturità: Lm 1.7 range ? - ? cm
Max length : 6.3 cm TL maschio/sesso non determinato; (Ref. 26340)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 10 - 12; Spine anali: 0; Raggi anali molli: 12 - 15; Vertebre: 27 - 31. Branchiostegal rays: 9 (Ref. 31422). Anal organs 8; a single deeply set translucent supracaudal gland present in both sexes, but no infracaudal gland; males have much larger eyes and a longer supracaudal gland than those of females (Ref. 39633).
Body shape (shape guide): elongated.
High-oceanic, epipelagic and mesopelagic (Ref. 4479). Found between 375-700 m during the day and between 25-350 m at night (Ref. 4066). Size stratification with depth during the day only (Ref. 4775). Juveniles migratory; adults migratory, partially migratory or non-migratory (Ref. 4775). Feed on copepods, conchoecid ostracods and euphausiids (Ref. 4775). Oviparous, with planktonic eggs and larvae (Ref. 31442). Also Ref. 58302.
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 10 - 22.8, mean 15.2 °C (based on 1055 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.1 ±0.20 se; based on food items.
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (tmax=1; k >0.30).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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