Species learning profile
Poisson rouge
Carassius auratus
Goldfish (Carassius auratus) is a freshwater fish associated with pond habitat in Global. People have selectively bred this species for more than a thousand years.
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At a glance
- Eau
- Eau douce
- Habitat
- Étang
- Longueur maximale
- 48 cm
- Répartition
- Monde entier
- Famille
- Cyprinidae
- Ordre
- Cypriniformes
Observe
How to identify Poisson rouge
- Often orange or gold, but also white, black, or patterned.
- Compact carp shape with a broad flowing tail in many varieties.
- Reported maximum length: 48 cm — up to about the length of a guitar. 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 pond habitat across Global. Local depth, cover, temperature, oxygen, and food availability determine where it can thrive.
Behavior
Uses pond habitat for feeding, shelter, migration, or reproduction.
Food-web connections
What it eats and why it matters
Diet
A flexible mix of plant matter, insects, detritus, and small aquatic animals.
Ecological role
It occupies a distinct place in its food web as consumer, prey, or both..
Remember
One fact worth keeping
Poisson rouge peut atteindre environ 48 cm et vit souvent près de Étang.
Think like a conservationist
A conservation lens
Population health depends on intact habitat, clean water, and responsible harvest where fishing occurs.
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 Goldfish 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