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Trematomus hansoni Boulenger, 1902

Striped rockcod
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Trematomus hansoni   AquaMaps   Data sources: GBIF OBIS
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Image of Trematomus hansoni (Striped rockcod)
Trematomus hansoni
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); hansoni: Species name hansoni honors Nicolai Hanson, biologist of the Southern Cross Expedition.
Eponymy: Nicolai Hanson (1870–1899) was a Norwegian zoologist and Antarctic explorer. [...] (Ref. 128868), visit book page.
More on author: Boulenger.

Issue
The genus Pseudotrematomus is a synonym of Trematomus, which is confirmed by a molecular study to be published (J.-C. Hureau, pers. comm. 08 Jun. 2010).

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

marina bottenlevande; djupintervall 6 - 549 m (Ref. 11892). Polar; 53°S - 78°S

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

Southern Ocean: South Orkneys, South Georgia and South Shetland islands. Ross, Davis and Weddell seas, South Victoria, Adelie, Queen Mary and Princess Ragnhild Coasts.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 45.5 cm TL hane/ej könsbestämd; (Ref. 58849); common length : 25.0 cm TL hane/ej könsbestämd; (Ref. 2121)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 5 - 8; Mjukstrålar i ryggfenan (totalt) : 36 - 41; Mjukstrålar i analfenan: 33 - 37. Body brownish, large dark spots or cross bars on body. Head often spotted, fins barred with series of dark spots (Ref. 11892).

Biologi     Ordlista (t.ex. epibenthic)

Adults feed on small fishes, krill and other euphausiids, polychaetes, copepods, amphipods, isopods and small gastropods. Mature individuals spawn once a year (Ref. 1071).

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. 130435: Version 2024-1)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: kommersiell
FAO - fiskeri: landings; Publication: search | FishSource | Sea Around Us

Ytterligare information

Trophic ecology
Födoslag
Födosammansättning
Födointag
Food rations
Predatorer
Ecology
Ekologi
Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans
Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
Spawning aggregations
Ägg
Egg development
Larver
Larvdynamik
Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos
Anatomy
Gälyta
Brain
Otolith
Physiology
Body composition
Nutrients
Syreförbrukning
Swimming type
Simhastighet
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetik
Heterozygosity
Ärftlighet
Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.
Outreach
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Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
Bilder
References
referenser

Verktyg

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Special reports

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Summary page | Point data | Populärnamn | Photos

Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - fiskeri: landings; 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. 123201): -1.8 - 0.5, mean -1.1 °C (based on 348 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5005   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00427 (0.00274 - 0.00663), b=3.29 (3.15 - 3.43), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.4   ±0.54 se; based on food items.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.22-0.23; Fec = 5,851-12,000).
Fishing Vulnerability (Ref. 59153):  High vulnerability (55 of 100).
Climate Vulnerability (Ref. 125649):  High vulnerability (57 of 100).
Price category (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 22.8 [13.3, 57.4] mg/100g; Iron = 0.459 [0.186, 0.931] mg/100g; Protein = 17.1 [16.1, 18.2] %; Omega3 = 0.352 [0.194, 0.626] g/100g; Selenium = 15.5 [6.3, 37.8] μg/100g; VitaminA = 23 [5, 116] μg/100g; Zinc = 0.487 [0.313, 0.759] mg/100g (wet weight); based on nutrient studies.