Nezumia aequalis, Common Atlantic grenadier : fisheries

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Nezumia aequalis (Günther, 1878)

Common Atlantic grenadier
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Nezumia aequalis   AquaMaps   Data sources: GBIF OBIS
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Image of Nezumia aequalis (Common Atlantic grenadier)
Nezumia aequalis
Picture by JAMARC

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gadiformes (Cods) > Macrouridae (Grenadiers or rattails)
Etymology: Nezumia: A Japanese word that means "mouse" .
More on author: Günther.

Issue
This species is often confused with Nezumia sclerorhynchus (Valenciennes, 1838).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic; non-migratory; depth range 200 - 2320 m (Ref. 3587), usually 200 - 1000 m (Ref. 2683). Deep-water; 70°N - 12°S, 98°W - 30°E (Ref. 1371)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Atlantic Ocean: Eastern Atlantic: Faroe Bank to northern Angola and the Mediterranean Sea. Western Atlantic: Davis Straits to northern Brazil.

Length at first maturity / Size / Weight / Age

Maturity: Lm 4.5, range 4 - ? cm
Max length : 36.0 cm TL male/unsexed; (Ref. 3587); common length : 25.0 cm TL male/unsexed; (Ref. 2683); max. reported age: 9 years (Ref. 58045)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Anal spines: 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.

Biology     Glossary (e.g. epibenthic)

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 Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Iwamoto, Tomio | Collaborators

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)

  Least Concern (LC) ; Date assessed: 21 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial
FAO - Fisheries: landings; Publication: search | FishSource | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
BRUVS
References
Aquaculture
Aquaculture profile
Strains
Genetics
Electrophoreses
Heritability
Diseases
Processing
Nutrients
Mass conversion
Collaborators
Pictures
Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Fisheries: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 4.7 - 15.7, mean 9.3 °C (based on 786 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00182 (0.00111 - 0.00298), b=3.12 (2.97 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.1 se; based on diet studies.
Resilience (Ref. 120179):  Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (26 of 100).
Price category (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 21.3 [10.3, 49.2] mg/100g; Iron = 0.34 [0.16, 0.70] mg/100g; Protein = 15.9 [14.1, 17.5] %; Omega3 = 0.248 [0.102, 0.566] g/100g; Selenium = 26.9 [9.5, 68.2] μg/100g; VitaminA = 16.6 [3.0, 84.1] μg/100g; Zinc = 0.505 [0.312, 0.823] mg/100g (wet weight);