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Allocyttus niger  James, Inada & Nakamura, 1988

Black oreo
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Native range | All suitable habitat | Point map | Year 2100
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Allocyttus niger   AquaMaps   Data sources: GBIF OBIS
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Image of Allocyttus niger (Black oreo)
Allocyttus niger
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Zeiformes (Dories) > Oreosomatidae (Oreos) > Oreosomatinae
Etymology: Allocyttus: Greek, allos = other + Greek, kyttaros, kytos = a convex cavity;  niger: niger refers to the blackish color of freshly caught specimens. It also reflects the common name "black oreo", which has been widely used in the New Zealand deepwater fishery for several years (Ref. 27159).

Environment / Climate / Range Ecology

Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 560 - 1300 m (Ref. 6390).   Deep-water; 43°S - 55°S, 148°E - 178°E (Ref. 27159)

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

Southwest Pacific: New Zealand and Australian waters south of 43°S, and south of Tasmania at 47°S. Also Ref. 26139.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 36 - ? cm
Max length : 47.0 cm TL male/unsexed; (Ref. 6390); common length : 35.0 cm TL male/unsexed; (Ref. 9258); max. published weight: 1.5 kg (Ref. 6390); max. reported age: 100 years (Ref. 27140)

Biology     Glossary (e.g. epibenthic)

Found close to the sea bed in deep water. Form large shoals over rough ground near pinnacles and canyons. Juveniles are pelagic and inhabit oceanic waters. They tend to be dispersed over smooth grounds (Ref. 6390). Feed mainly on salps and benthic crustaceans (Ref. 27150). Eggs float near the sea surface and larvae also inhabit surface waters (Ref. 6390). Based on trawl catch rates, there is no evidence of vertical migration during day or night (Ref. 27150).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Displays seasonally synchronised reproduction.

Main reference Upload your references | References | Coordinator : Heemstra, Phillip C. | Collaborators

James, G.D., T. Inada and I. Nakamura, 1988. Revision of the oreosomatid fishes (Family Oreosomatidae) from the southern oceans, with a description of a new species. N.Z. J. Zool. 15:291-326. (Ref. 27159)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 108899)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial
FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 2.1 - 6.8, mean 5.1 (based on 63 cells; Ref. 115970).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5635   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00731 - 0.02857), b=3.03 (2.85 - 3.21), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.50 se; Based on food items.
Resilience (Ref. 69278):  Very Low, minimum population doubling time more than 14 years (tmax=100; tm=27; Fec >5,000).
Prior r = 0.11, 2 SD range = 0.02 - 0.70, log(r) = -2.21, SD log(r) = 0.9, Based on: 1 tgen, 1 tmax, 4 Fec records
Vulnerability (Ref. 59153):  High to very high vulnerability (69 of 100) .
Price category (Ref. 80766):   Medium.