Masu
Oncorhynchus masou (Brevoort, 1856)
Status not recordedbony fish
The masu (Oncorhynchus masou) is a species in the family Salmonidae, order Salmoniformes.
No freely licensed photo yet
Quick facts about the masu
- Weight
- Not recorded
- Length
- Not recorded
- Lifespan
- Not recorded
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- Not recorded
- Conservation status
- Not recorded
- Countries on record
- Not recorded
Where does the masu live?
Not recorded
Where has it been introduced?
The Global Register of Introduced and Invasive Species lists the masu as introduced in 2 countries.
Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).
Is the masu endangered?
No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.
How is the masu classified?
- kingdomAnimalia
- phylumChordata
- classTeleostei
- orderSalmoniformes
- familySalmonidae
- genusOncorhynchus
- SpeciesOncorhynchus masou (Brevoort, 1856)
Synonyms Oncorhynchus ishikawae, Oncorhynchus ishikawai, Oncorhynchus macrostomus, Oncorhynchus masou ishikawae, Oncorhynchus masou ishikawai, Oncorhynchus masou macrostomus, Oncorhynchus masou masou, Oncorhynchus masu, Oncorhynchus rhodorus, Salmo macrostoma, Salmo masou
Other names and names in other languages (28)
- Cherry salmonEnglish
- Japanese salmonEnglish
- Masu salmonEnglish
- Satsukimasu salmonEnglish
- イチャンコッAinu
- losos masuCzech
- KirsebærlaksDanish
- Masu-LachsGerman
- Salmón japonésSpanish
- Saumon masouFrench
- Salmone giapponeseItalian
- サクラマスJapanese
- Japanse zalmDutch
- simaPolish
- Salmão-japonêsPortuguese
- МазуRussian
- tajvanski lososSlovenian
- 櫻鮭Chinese
- pstruh nagarskýCzech
- Salmon sakuraSpanish
- saumon du JaponFrench
- サクラマス/ヤマメJapanese
- サツキマス/アマゴJapanese
- ヤマメJapanese
- СимаRussian
- 櫻花鉤吻鮭Chinese
- 櫻鱒Chinese
- 馬蘇麻哈魚Chinese
Relatives of the masu
Other species in the same genus Oncorhynchus.

Rainbow trout
Oncorhynchus mykiss

Pink salmon
Oncorhynchus gorbuscha

Chum salmon
Oncorhynchus keta

Sockeye salmon
Oncorhynchus nerka

Chinook salmon
Oncorhynchus tshawytscha

Coho salmon
Oncorhynchus kisutch
CompareMasu vs Rainbow troutMasu vs Pink salmonMasu vs Chum salmonMasu vs Sockeye salmon
Common questions
Answered only where our data holds the answer.
Is the masu an invasive species?
The Global Register of Introduced and Invasive Species lists the masu as introduced in 2 countries: Argentina and Chile, but does not flag it as invasive in any of them.
What kind of animal is the masu?
The masu (Oncorhynchus masou) belongs to the family Salmonidae in the order Salmoniformes.
Sources and how to cite this page
Data as of 2026-11-14. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5 - AnimalTraits: a curated animal trait database for body mass, metabolic rate and brain size · CC0 1.0 · 1.0.7
Herberstein, M.E., McLean, D.J., Lowe, E. et al. (2022) AnimalTraits: a curated animal trait database for body mass, metabolic rate and brain size. Scientific Data 9: 265. https://doi.org/10.1038/s41597-022-01364-9. Data: https://doi.org/10.5281/zenodo.6468938 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - Environment Agency freshwater fish surveys (National Fish Populations Database) · OGL v3.0 · 2026-11-14
Environment Agency. Freshwater fish surveys (NFPD). Contains public sector information licensed under the Open Government Licence v3.0. © Environment Agency copyright and/or database right. https://environment.data.gov.uk/ecology/explorer/ - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Global Biotic Interactions (GloBI): interpreted data products · CC0 1.0 · 0.11
Poelen, J.H., Simons, J.D. & Mungall, C.J. (2014) Global Biotic Interactions: an open infrastructure to share and analyze species-interaction datasets. Ecological Informatics 24: 148–159. https://doi.org/10.1016/j.ecoinf.2014.08.005. Data: https://doi.org/10.5281/zenodo.22691479, with each record's original reference. - Global Register of Introduced and Invasive Species (GRIIS) · CC BY 4.0 · 2026-11-13
Pagad, S., Genovesi, P., Carnevali, L., Schigel, D. & McGeoch, M.A. (2018) Introducing the Global Register of Introduced and Invasive Species. Scientific Data 5: 170202. https://doi.org/10.1038/sdata.2017.202. Country checklists published through GBIF by the IUCN SSC Invasive Species Specialist Group. - LepTraits 1.0: a globally comprehensive dataset of butterfly traits · CC0 1.0 · 1.0
Shirey, V., Larsen, E., Doherty, A. et al. (2022) LepTraits 1.0: a globally comprehensive dataset of butterfly traits. Scientific Data 9: 382. https://doi.org/10.1038/s41597-022-01473-5. Data: https://doi.org/10.6084/m9.figshare.19874602.v1 - Northwestern European arthropod life histories and ecological traits (raw datasets) · CC BY 4.0 · 2024-12-17
Logghe, G., Batsleer, F., Maes, D. et al. (2025) An in-depth dataset of northwestern European arthropod life histories and ecological traits. Biodiversity Data Journal 13: e146785. https://doi.org/10.3897/BDJ.13.e146785. Data: https://doi.org/10.5281/zenodo.13379714 - Palmer Archipelago penguin measurements (Palmer Station LTER) · CC0 1.0 · 0.1.0
Gorman, K.B., Williams, T.D. & Fraser, W.R. (2014) Ecological sexual dimorphism and environmental variability within a community of Antarctic penguins (genus Pygoscelis). PLoS ONE 9(3): e90081. https://doi.org/10.1371/journal.pone.0090081. Data: Palmer Station Antarctica LTER, via Horst, A.M., Hill, A.P. & Gorman, K.B. (2020) palmerpenguins. https://doi.org/10.5281/zenodo.3960218 - ReptTraits: a comprehensive dataset of ecological traits in reptiles · CC BY 4.0 · v1-2
Oskyrko, O., Mi, C., Meiri, S. et al. (2024) ReptTraits: a comprehensive dataset of ecological traits in reptiles. Scientific Data 11: 243. https://doi.org/10.1038/s41597-024-03079-5. Data: https://doi.org/10.6084/m9.figshare.24572683.v4 - Sharkipedia: a curated open access database of shark and ray life history traits · CC BY 4.0 · 1.0-2022-06-17
Mull, C.G., Pacoureau, N., Pardo, S.A. et al. (2022) Sharkipedia: a curated open access database of shark and ray life history traits and abundance time-series. Scientific Data 9: 559. https://doi.org/10.1038/s41597-022-01655-1. Data: https://doi.org/10.5281/zenodo.6656525 - SquamBase 1.0 - a dataset of squamate species traits · CC0 1.0 · 1.0-dryad-v5
Meiri, S. (2024) SquamBase - a database of squamate (Reptilia: Squamata) traits. Global Ecology and Biogeography 33(4): e13812. https://doi.org/10.1111/geb.13812. Data: https://doi.org/10.5061/dryad.76hdr7t3b - TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe · CC BY 4.0 · 2.0
Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision). - Sex-specific median life expectancies from ex situ populations for 330 animal species · CC BY 4.0 · 2018-07
Che-Castaldo, J.P., Byrne, A., Perišin, K. & Faust, L.J. (2019) Sex-specific median life expectancies from ex situ populations for 330 animal species. Scientific Data 6: 190019. https://doi.org/10.1038/sdata.2019.19. Data: https://doi.org/10.6084/m9.figshare.7539968.v1
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CreatureData. (2026). Masu (Oncorhynchus masou). Retrieved from https://creaturedata.com/animals/masu
“Masu (Oncorhynchus masou).” CreatureData, 2026, https://creaturedata.com/animals/masu.
@misc{masu_2026,
title = {Masu (Oncorhynchus masou)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/masu},
note = {Data as of 2026-11-14}
}