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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; standvastig; diepte 320 - 620 m (Ref. 11953). Deep-water; 6°S - 18°S, 7°E - 13°E (Ref. 1371)
Southeast Atlantic: Angola to Namibia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 38.0 cm TL mannelijk / geslacht onbekend; (Ref. 27121)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 2; Dorsale zachte stralen (totaal) : 184 - 185; Anale stekels: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
Download XML
Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (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). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.1 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate to high vulnerability (52 of 100). 🛈 |