Actinopterygii (ray-finned fishes) > Gadiformes
(Cods) > Macrouridae
(Grenadiers or rattails) > Macrourinae
Etymology: Nezumia: A Japanese word that means "mouse" .
Environment / Climate / Range
Marine; bathydemersal; non-migratory; depth range 366 - 1097 m (Ref. 1371). Deep-water; 30°N - 4°N, 97°W - 50°W (Ref. 1371)
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL male/unsexed; (Ref. 1371)
spines: 0. Snout short, narrow, bluntly rounded, with broad scutes at its tip and lateral angles, its underside naked. Body scales with numerous, lanceolate spinules in 8 to 10 sub parallel rows in larger specimens. Overall color is brownish black; fins blackish.
Western Central Atlantic: abundant in tropical waters.
Taken as bycatch of deepwater trawl fishery for royal red shrimp of western central Atlantic.
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.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: minor commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00230 (-0.15803 - 0.16263), b=3.17229 (3.07827 - 3.26631), based on LWR estimates for this family-BS (Ref. 93245
Trophic Level (Ref. 69278
): 3.4 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (48 of 100) .