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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Nezumia: A Japanese word that means "mouse".
Eponymy: Dr George C Miller is a zoologist, who was at the National Marine Fisheries Service, Southeast Fisheries Center, Miami Laboratory, Florida, and is now retired. [...] (Ref. 128868), visit book page.
More on author: Iwamoto.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batidemersale; non migratori; distribuzione batimetrica 320 - 620 m (Ref. 11953). Deep-water; 6°S - 18°S, 7°E - 13°E (Ref. 1371)
Southeast Atlantic: Angola to Namibia.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 38.0 cm TL maschio/sesso non determinato; (Ref. 27121)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 2; Raggi dorsali molli (totale) : 184 - 185; Spine anali: 0. Snout short, acute, ventral surface in front of premaxillary symphysis naked, otherwise head surfaces completely scale-covered (Ref. 1371). Spinules on scales moderately slender, lanceolate (Ref. 1371). Overall color is grayish brown; trunk dark, violet tinged, grading to medium brown posteriorly; fins pale to blackish; first dorsal fin black on distal half; mouth blackish, gill cavity mostly black (Ref. 1371).
Body shape (shape guide): elongated; Cross section: oval.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di nessun interesse
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 3.6 - 4.5, mean 4.1 °C (based on 13 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00111 - 0.00432), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.3 ±0.1 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low to moderate vulnerability (28 of 100).
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