Will Watson / Crucian Carp (Carassius carassius), amongst Hornwort (Ceratophyllum demersum), Worcestershire, England, UK, March. Captive, bred for re-stocking.

Michel Roggo / Crucian carp (Carassius carassius) Europe

Jane Burton / Common mirror carp {Cyprinus carpio} in foreground, Crucian carp {Carassius carassius} in background, active in very dim light, UK, captive