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Notothenia rossii Richardson, 1844

Marbled rockcod
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Notothenia rossii   AquaMaps   Data sources: GBIF OBIS
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Image of Notothenia rossii (Marbled rockcod)
Notothenia rossii
Picture by Reyes, P.

Common names from other countries

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

Teleostei (teleosts) > Perciformes/Notothenioidei (Icefishes) > Nototheniidae (Cod icefishes) > Nototheniinae
Etymology: Notothenia: Greek, 'notos', ou; νοτος, ου), from the south + Greek, 'e 'eutheneia',as or 'euthenia', as (ευθενεια, ας; ευθενια, ας), abundance (P. Romero, pers.comm. 01/16);  rossii: marmorata Greek marmor for marbled (Ref. 11892).
  More on author: Richardson.

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

Marine; demersal; oceanodromous (Ref. 51243); depth range 5 - 350 m (Ref. 28106), usually 5 - 350 m (Ref. 28106).   Polar; -1°C - 5°C (Ref. 28106); 45°S - 67°S, 75°W - 165°E

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

Southern Ocean: northern end of the Antarctic Peninsula, Scotia Arc, Prince Edward, Crozet, Kerguelen, Heard and Macquarie islands, and Ob' and Lena banks.

Length at first maturity / Size / Weight / Age

Maturity: Lm 49.3  range ? - ? cm
Max length : 92.0 cm TL male/unsexed; (Ref. 5179); common length : 50.0 cm TL male/unsexed; (Ref. 2121); max. published weight: 10.0 kg (Ref. 5179); max. reported age: 16 years (Ref. 28106)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 4 - 7; Dorsal soft rays (total): 32 - 36; Anal soft rays: 26 - 30.

Biology     Glossary (e.g. epibenthic)

The sexually immature members of the population stay in lesser depths, mainly in the shallow fjord bays. Yearlings feed mainly on mesozooplankton in the near surface zone (5-15 m). Immature and mature fish are benthic but stay in shallower depths (10-20 m). Sexually mature fish move out of the fjord to stay in the shelf zone. Spawn once a year (Ref. 89316). Maximum life span for males is 12 years (Ref. 28106).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Mature females may spawn for the first time from around 6-8 years of age (Ref. 71843).

Main reference Upload your references | References | Coordinator | Collaborators

Hureau, J.-C., 1985. Family Notothenidae - Antarctic rock cods. p. 323-385. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88) (CCAMLR Convention Area). Rome, FAO. Vol. 2. (Ref. 2121)

IUCN Red List Status (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

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

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Trophic ecology
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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | 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 based on models

Preferred temperature (Ref. 115969): 0.7 - 4.7, mean 2.1 (based on 140 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00480 - 0.00723), b=3.19 (3.13 - 3.25), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.56 se; based on food items.
Resilience (Ref. 120179):  Low, minimum population doubling time 4.5 - 14 years (K=0.10-0.16; tmax=16; Fec=19,000).
Fishing Vulnerability (Ref. 59153):  High vulnerability (63 of 100).
Climate Vulnerability (Ref. 125649):  Moderate to high vulnerability (54 of 100).
Price category (Ref. 80766):   High.