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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; ej vandrande; djupintervall 320 - 620 m (Ref. 11953). Deep-water; 6°S - 18°S, 7°E - 13°E (Ref. 1371)
Southeast Atlantic: Angola to Namibia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 38.0 cm TL hane/ej könsbestämd; (Ref. 27121)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 2; Mjukstrålar i ryggfenan (totalt) : 184 - 185; Taggstrålar i analfenan: 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.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
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=0.00219 (0.00112 - 0.00429), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.3 ±0.1 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (52 of 100). 🛈 |