Common Rudd

Physical Characteristics

A Deep-bodied, laterally compressed fish with large, shiny golden-green scales. It is most notable for its bright reddish-orange fins and an upturned mouth. The dorsal fin is positioned further back on the body compared to the pelvic fins.

Habitat & Distribution

Prefers slow-flowing or still freshwater environments with heavy vegetation, such as lakes, ponds, and marshland. Geographically native to Europe and western Asia but introduced in North America.

Size & Weight

Typically ranges from 15 to 30 cm in length and 0.2 to 1 kg in weight. Maximum sizes can reach up to 45-50 cm and approximately 2 kg.

Similar Looking Species

Often confused with the Common Roach (Rutilus rutilus). Rudd can be distinguished by their upturned mouth, golden hue, and the dorsal fin's position starting behind the base of the pelvic fins.

Ecological Role

Functions as a secondary consumer, feeding on aquatic insects, crustaceans, and plant matter. It serves as an important prey species for larger predatory fish and birds. Conservation status is currently 'Least Concern'.

Identified on: 1/2/2026

Mode: Standard