Ruffe
Gymnocephalus cernua · Percidae
Uncommon catalog entry
Identification keys
Use these visible cues as a starting point, then check local rules and review the live result before keeping a fish.
- Joined dorsal fins
- Spiny gill cover
- Mottled olive body
Habitat notes
Lakes · Slow rivers · Brackish bays
Active season: Year-round
Common approach: Worms
Look-alike check
When a result is uncertain, start with these catalog neighbors. They share family, genus, or habitat signals; this list is a comparison aid, not a substitute for local identification expertise.
- Yellow Perch (Perca flavescens)
- European Perch (Perca fluviatilis)
- Pikeperch (Sander lucioperca)
Conservation reminder
Small invasive perch in some regions.
Seasons, size limits, and keep rules vary by water. Verify the current local regulations before keeping a catch; release it carefully when unsure.
Identify and log the real catch
OmniDex identifies a live catch, estimates length, and saves a private city-level journal entry without exposing raw coordinates.
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