Ruffe at a glance
- Scientific name
- Gymnocephalus cernua
- Typical size
- 3-6 inches, 0.1-0.3 lbs
- Water
- Freshwater
- Habitat
- Freshwater
- Rarity in the Fishdex™
- Common
Habitat
Native to Europe and Asia, now found in the Great Lakes and some connecting waterways. Typically inhabits deeper areas of lakes and rivers with soft bottoms. Not actively targeted by anglers but sometimes caught incidentally while fishing for other species.
Catch one and it is yours
Log a ruffe through the Cobia Camera and this entry fills in with your photo, your personal best, and the exact conditions on the day. The app also carries the slot and season rules for wherever you are standing.
How the Fishdex™ worksRuffe questions people ask
Ruffe is Gymnocephalus cernua.
A typical ruffe runs 3-6 inches, 0.1-0.3 lbs. Cobia records the length and weight of every ruffe you log and keeps your personal best on its Fishdex entry.
Native to Europe and Asia, now found in the Great Lakes and some connecting waterways. Typically inhabits deeper areas of lakes and rivers with soft bottoms. Not actively targeted by anglers but sometimes caught incidentally while fishing for other species. It is a fresh water species, filed under freshwater in the Fishdex.
Yes. Log one through the Cobia Camera and this entry fills in with your own photo, your personal best, and the conditions on the day you caught it. The app also carries the slot limits and season dates for wherever you are standing. It is free.






