Species learning profile
Coho salmon
Oncorhynchus kisutch
Coho salmon (Oncorhynchus kisutch) is a freshwater fish associated with river habitat in North Pacific. Spawning males develop hooked jaws and vivid red sides.
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At a glance
- Eau
- Eau douce
- Habitat
- Rivière
- Longueur maximale
- 108 cm
- Répartition
- North Pacific
- Famille
- Salmonidae
- Ordre
- Salmoniformes
Observe
How to identify Coho salmon
- Spawning males develop hooked jaws and vivid red sides.
- Guide context: river habitat in North Pacific.
- Reported maximum length: 108 cm — capable of growing longer than many people are tall. Maximum is not the same as typical adult size.
Field note: color, size, and markings can change with age, sex, season, depth, and lighting. Use several traits together.
Place and pattern
Where it lives—and how it behaves
Habitat and range
This species is associated with river habitat across North Pacific. Flow, seasonal floods, connected side channels, and access to spawning reaches all shape its river habitat.
Behavior
Young fish rear in streams before migrating to sea
Food-web connections
What it eats and why it matters
Diet
Aquatic insects, crustaceans, and small fish.
Ecological role
Feeds predators in both freshwater and marine habitats.
Remember
One fact worth keeping
Coho salmon peut atteindre environ 108 cm et vit souvent près de Rivière.
Think like a conservationist
A conservation lens
River fish depend on connected water. Dams, blocked migrations, pollution, and altered flow can matter even when the channel still looks wet.
This habitat lens is not a current population-status assessment. Status can differ among regions and change as new assessments are published; follow the reference links and local fisheries or wildlife agencies for current decisions.
Recall
Quick knowledge check
Which habitat is most closely associated with Coho salmon in this guide?
Keep exploring
References and further reading
Fishdle summarizes stable identification and ecology concepts in plain language. Taxonomy and population knowledge continue to change, so use primary assessments and regional authorities for conservation or management decisions.
Make connections