Trematomus newnesi, Dusky rockcod

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Trematomus newnesi Boulenger, 1902

Dusky rockcod
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Trematomus newnesi   AquaMaps   Data sources: GBIF OBIS
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Image of Trematomus newnesi (Dusky rockcod)
Trematomus newnesi
Picture by Sala, A.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Notothenioidei (Icefishes) > Nototheniidae (Cod icefishes) > Trematominae
Etymology: Trematomus: Greek, trematos = hole + Greek, tomo = section, cut (Ref. 45335);  newnesi: newnesi named after Sir George Newnes, British newspaper publisher who sponsored Borchgrevinck's Expedition of 1899 (Ref. 11892).
More on author: Boulenger.

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

; marina bottenlevande; djupintervall 0 - 400 m (Ref. 11892). Polar; 60°S - 78°S

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Southern Ocean: East Antarctic, Weddell Sea, West coast of Antarctic Peninsula, South Shetland Islands, Elephant Island, South Orkney Islands, Mac Robertson, George V, Queen Mary, Adelie Coasts, Davis Sea and Ross Sea.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm TL hane/ej könsbestämd; (Ref. 5179)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 5 - 8; Mjukstrålar i ryggfenan (totalt): 29-38; Mjukstrålar i analfenan: 29 - 36

Biologi     Ordlista (t.ex. epibenthic)

Found in shallow near shore areas and more commonly in the intertidal zone. Adults feed mainly on amphipods, polychaetes, gastropods, isopods, copepods, and euphausiids (E. superba). Often seen feeding in the water column or at the undersurface of ice.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)

IUCN Red List Status (Ref. 125652)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: saknar intresse
FAO - Publication: search | FishSource |

Ytterligare information

Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Stocks
Ekologi
Föda
Födoslag
Födointag
Näringsinnehåll
Populärnamn
synonymer
Metabolik
Predatorer
Ekotoxikologi
Reproduktion
Könsmognad
Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
Larver
Larvdynamik
Rekrytering
Abundans
BRUVS
referenser
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Genetik
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Mass conversion
Medarbetare
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Stamps, Coins Misc.
Ljud
Ciguatera
Hastighet
Simsätt
Gälyta
Otoliths
Hjärnstorlek
Syn

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Special reports

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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): -1.8 - -0.4, mean -1.4 °C (based on 237 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00279 - 0.01033), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this Genus-BS (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.2   ±0.2 se; based on diet studies.
Generation time: 3.1 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Fec = 2,300-12,200).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .