Fishkeeping glossary

Orfe, Leuciscus idus, are active surface-dwelling shoaling fishes that grow to around 40cm (16”) in length. They are micropredators and will eat small live foods, including insects and sometimes, very small fishes. They are natives of large rivers so they have a high oxygen requirement. Orfe are very sensitive to certain medications, especially those containing copper. Ask your retailer, or check the packaging, to ensure any treatments are safe. They are best kept in a small group in a spacious, well-filtered pond.
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