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Tor douronensis (Valenciennes, 1842)

Semah mahseer
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Tor douronensis
Picture by Jean-Francois Helias / Fishing Adventures Thailand

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

> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Torinae
Etymology: More on author: Valenciennes.

Issue
Junior synonym of Tor tambra according to Pinder et al., 2019 (Ref. 123468) and CofF 1 Jan 2021 version..

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

; sötvatten bentopelagisk; pH range: 7.7 - 8.7. Tropical; 18°C - 26°C (Ref. 56147)

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

Asia: Thailand east to Viet Nam and south to Indonesia (Ref. 7050). Known from the Chao Phraya (Ref. 26336) and Mekong (Ref. 13848).

Length at first maturity / Size / Vikt / Age

Maturity: Lm 51.9, range 44 - 63.5 cm
Max length : 35.0 cm TL hane/ej könsbestämd; (Ref. 7050)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 4; Mjukstrålar i ryggfenan (totalt) : 7 - 9; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 5. Distinguished from other species of the genus in the Lancangjiang River by the following combination of characters: body compressed; median lobe of lower lip short, free margin truncate, not extending to a line connecting inner corners of mouth; eyes visible in ventral view; isthmus with small distinct scales, more than 18 scales between isthmus and origin of pelvic fin; gill rakers 15-20; supero-posterior margin of dorsal fin deeply concave; tip of anal fin pointed; color in life silvery, back dark, fins dark gray (Ref 13848).

Biologi     Ordlista (t.ex. epibenthic)

Found in medium to large-sized rivers (Ref. 12975). Kept in ponds or cages in open water. Seldom seen in markets (Ref. 7050). Multiple spawner (Ref. 56317).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Zhou, W. and G.H. Cui, 1996. A review of Tor species from the Lancangjiang River (Upper Mekong River), China (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 7(2):131-142. (Ref. 13848)

IUCN Red List Status (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: mindre kommeriell; Vattenbruk: kommersiell; Akvarium: Kommersiell
FAO - fiskeri: landings; Publication: search | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer
Ecology
Ekologi
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproduktion
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larver
Larvdynamik
Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos
Anatomy
Gill areas
Hjärnstorlek
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fiskljud
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetik
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.
Outreach
Medarbetare
Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
Bilder
References
referenser

Verktyg

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 - 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 | 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=0.00933 (0.00422 - 0.02065), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  2.6   ±0.27 se; based on food items.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Fec=2,676).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (25 of 100).
Price category (Ref. 80766):   Unknown.