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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.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) βαθύβιο(ς); μη μεταναστευτικό(ά); εύρος βάθους 320 - 620 m (Ref. 11953). Deep-water; 6°S - 18°S, 7°E - 13°E (Ref. 1371)
Southeast Atlantic: Angola to Namibia.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ?  range ? - ? cm
Max length : 38.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 27121)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 2; Μαλακές ραχιαίες ακτίνες (συνολικά) : 184 - 185; Εδρικές άκανθες: 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.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 3.6 - 4.5, mean 4.1 °C (based on 13 cells).
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00214 (0.00109 - 0.00421), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.3 ±0.1 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
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