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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
Ecologia
marino batidemersale; non migratori; distribuzione batimetrica 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.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm TL maschio/sesso non determinato; (Ref. 1371)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 2; Spine anali: 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 | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve
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)
Threat to humans
Harmless
Human uses
Pesca: scarso interesse commerciale
Strumenti
Special reports
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Fonti 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).
Trophic level (Ref.
69278): 3.3 ±0.1 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
