Oncorhynchus kawamurae, Kunimasu

You can sponsor this page

Oncorhynchus kawamurae Jordan & McGregor, 1925

Kunimasu
Hochladen Photos und videos
 Google Bild
Image of Oncorhynchus kawamurae (Kunimasu)
No image available for this species;
drawing shows typical species in Salmonidae.

Japan country information

Common names: Kunimasu
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Endemic to Lake Tazawa in Akita Prefecture and was believed to have become extinct since 1940. Nine specimens were discovered in 2010 in Lake Saiko (Yamanashi Prefecture), one of the lakes where eyed eggs of this species were introduced in 1935 (Ref. 87053). Status of threat: Extinct in the wild (Ref. 94887).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Nakabo, T., K. Nakayama, N. Muto and M. Miyazawa, 2011
National Database:

Common names from other countries

... more

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Salmoniformes (Salmons) > Salmonidae (Salmonids) > Salmoninae
Etymology: Oncorhynchus: Greek, onyx, -ychos = nail + Greek, rhyngchos = snout (Ref. 45335).
Eponymy: Dr Tamiji Kawamura (1883–1964) was a Japanese biologist and limnologist. [...] (Ref. 128868), visit book page.
More on authors: Jordan & McGregor.

Environment: milieu / climate zone / Tiefenbereich / distribution range Ökologie

; süßwasser benthopelagisch; standorttreu (Ref. 87053); tiefenbereich 38 - 180 m (Ref. 87053), usually 90 - ? m (Ref. 87053). Temperate; 4°C - 13°C (Ref. 87053)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Punkt Karte | Einführungen | Faunafri

Asia: endemic to Lake Tazawa in Akita Prefecture, Japan. Believed to have become extinct since 1940. Recently discovered in 2010 from Lake Saiko, Yamanashi Prefecture, one of the lakes where eyed eggs of this species were introduced in 1935.

Size / Gewicht / Alter

Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 23.8 cm TL Männchen/unbestimmt; (Ref. 87053); 27.5 cm TL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Presence of 47-62 pyloric caeca and 37-43 gill rakes (Ref. 87053).
Body shape (shape guide): fusiform / normal.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Probably feeds on mesopelagic or benthopelagic zooplankton (Ref. 87053)

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Nakabo, T., K. Nakayama, N. Muto and M. Miyazawa, 2011. Oncorhynchus kawamurae "Kunimasu," a deepwater trout, discovered in Lake Saiko, 70 years after extinction in the original habitat, Lake Tazawa, Japan. Ichthyol. Res. 58(2):180-183. (Ref. 87053)

IUCN Rote Liste Status (Ref. 130435: Version 2025-1)

  in Freiheit ausgestorben (EW) ; Date assessed: 07 December 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

FAO - Publication: search | FishSource |

Mehr Information

Trophic ecology
Food items (preys)
Nahrungszusammensetzung
Nahrungsaufnahme
Food rations
Räuber
Ökologie
Ökologie
Home ranges
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Längenhäufigkeiten
Mass conversion
Rekrutierung
Dichte
Life cycle
Fortpflanzung
Geschlechtsreife
Maturity/Gills rel.
Fecundity
Ablaichen
Spawning aggregations
Eier
Eientwicklung
Larven
Larven Pop.Dyn.
Verbreitung
Länder
FAO Gebiete
Ecosystems
Vorkommen
Einführungen
BRUVS - Videos
Anatomy
Kiemenoberfläche
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetik
Genom
Genetik
Heterozygosity
Vererbbarkeit
Human related
Aquaculture systems
Aquakultur Profile
Zuchtlinien
Ciguatera cases
Stamps, coins, misc.
Outreach
Partner
Taxonomy
Namen
Synonyme
Morphologie
Morphometrie
Bilder
Referenzen
Referenzen

Tools

E-book | Feldführer | Längenhäufigkeits Tool | Lebensdaten Tool | Punkt Karte | Catch-MSY |

Zusatzinformationen

Aquarium Hälterung suchen | Art Datenblatt suchen | Aquakultur Datenblatt suchen

Download XML

Zusammenfassung | Point data | Namen | Photos

Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Gehe zu, Suchen | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00488 - 0.02245), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (18 of 100). 🛈