Actinopterygii (peixes com raios nas barbatanas) >
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails) > Macrourinae
Etymology: Nezumia: A Japanese word that means "mouse" .
Issue
This species is often confused with Nezumia sclerorhynchus (Valenciennes, 1838).
Ambiente / Clima / Intervalo
Ecologia
; marinhas bentopelágico; não migratória; intervalo de profundidade 200 - 2320 m (Ref. 3587), usually 200 - 1000 m (Ref. 2683). Deep-water, preferred 23°C (Ref. 107945); 70°N - 12°S, 98°W - 30°E (Ref. 1371)
Atlantic Ocean: Eastern Atlantic: Faroe Bank to northern Angola and the Mediterranean Sea. Western Atlantic: Davis Straits to northern Brazil.
Length at first maturity / Tamanho / Peso / Idade
Maturity: Lm 4.5, range 4 - ? cm
Max length : 36.0 cm TL macho/indeterminado; (Ref. 3587); common length : 25.0 cm TL macho/indeterminado; (Ref. 2683); Idade máx. registada: 9 anos (Ref. 58045)
Espinhos dorsais (total): 2; Espinhos anais 0. Head short, completely scaled except for naked strip on the ventral surface of the snout; Eyes relatively large, 29 to 42% of head length; snout short, pointed; chin barbel very short. Body scales with lanceolate to shield-shaped spinules. Overall color is bluish to violet, head somewhat tawny to swarthy; ventral portions silvery when fresh; pelvic fins black except outermost ray which is pale to white; oral cavity grayish; branchial cavity mostly black.
Feeds on benthic as well as pelagic animals like mysids, amphipods, small shrimps, copepods, isopods, ostracods and polychaete worms (Ref. 6187).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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 na Lista Vermelha da IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Perigo para os humanos
Harmless
Uso pelos humanos
Pescarias: pouco comercial
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00234 (0.00120 - 0.00457), b=3.12 (2.95 - 3.29), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nível Trófico (Ref.
69278): 3.3 ±0.1 se; Based on diet studies.
Resiliência (Ref.
69278): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Vulnerabilidade (Ref.
59153): Moderate vulnerability (44 of 100) .
