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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Nezumia: A Japanese word that means "mouse".
More on authors: Gilbert & Thompson.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathydemersal; standorttreu; tiefenbereich 580 - 1238 m (Ref. 1371). Deep-water; 30°S - 39°S, 78°W - 72°W (Ref. 1371)
Southeast Pacific: central Chile.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 40.0 cm TL Männchen/unbestimmt; (Ref. 1371)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 2; Afterflossenstacheln: 0. Head relatively compressed laterally, surfaces smoothly rounded, suborbital ridge low; snout short, blunt and narrow, terminal and lateral angles not especially set off from adjacent scales. Head completely scaled except for strip ventromedian on snout and ventral margin of suborbital region. Pyloric caeca about 35 to 45. Overall color is medium brown, blackish ventrally; fins, gill membranes, and linings of the mouth and gullet also blackish; first dorsal fin slightly paler near base.
Body shape (shape guide): elongated; Cross section: oval.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | 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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (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). |
Trophische Ebene (Ref. 69278) |
3.3 ±0.1 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate to high vulnerability (55 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Medium.
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