📸 PhotoPhoto: KENPEI · CC BY-SA 3.0 · Wikimedia Commons Source
Masu salmon
Oncorhynchus masou (Masu salmon · サクラマス)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum total length of 79 cm is about the length of two and a half 30 cm rulers (Comparison).
- 💡 Its maximum weight of 10 kg is half the weight of a 20 kg bag of rice (Comparison).
- 💡 It is sold fresh or frozen, eaten broiled or baked, and is also farmed (FishBase).
Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.
Site-computed relative index from recorded values; not a formal scientific metric.
📖 1. Overview
The masu salmon is a salmonid fish living around Japan in the northwestern Pacific, with both a sea-run form that goes out to sea and returns to rivers and a river-resident form.
🦴 2. Anatomy & Morphology
When full-grown, it is a salmonid fish reaching 79 cm in total length and 10 kg in weight.
🔍 3. Ecology & Behavior
The river-resident form holds territories in headwaters and feeds on insects, small crustaceans, and fish. The sea-run form moves downstream in schools, passes through brackish waters into the sea to feed on small fish and crustaceans, and buries its eggs in unguarded nests.
🇰🇷 4. Connection to Korea
It is listed on the National List of Species of Korea.
📚 Sources & References
- • IUCN Red List LC (2024) — https://www.iucnredlist.org/species/125852567/135772808
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • catalogueoflife.org — 49JFC
- • iucnredlist.org — 135772808
- • 국가생물종목록(국립생물자원관) ktsn 120000057746 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000057746
- • wikidata.org — Q1156455
- • commons.wikimedia.org — File:Oncorhynchus masou ishikawae1.jpg
- • fishbase.se — Oncorhynchus-masou.html
- • Silhouette: PhyloPic — author not recorded · CC0 1.0
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.