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Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Nezumia: A Japanese word that means "mouse" .
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; non migrateur; profondeur 523 - 800 m (Ref. 1371). Deep-water; 8°N - 10°S, 90°W - 78°W (Ref. 1371)
Eastern Pacific: Gulf of Panama to northern Peru, including the Galapagos Islands.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm TL mâle / non sexé; (Ref. 1371)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 2; Épines anales: 0. Snout short, conical, with small, stout terminal scute; ventral surface of the snout and suborbital region mostly bare; mandibular rami with loose scales along the midline of each ramus; cephalic pores of the lateralis system indistinct. Pyloric caeca 17 to 23. Body scales fairly large with conical to narrowly lanceolate spinules in as many as 15 convergent rows. Overall color is reddish brown, abdominal region bluish black; orbit ringed black; oral and branchial cavities blackish; fins light, first dorsal fin black distally.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 5.9 - 7.2, mean 6.7 °C (based on 5 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00219 (0.00111 - 0.00431), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.3 ±0.1 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
