Longnose Sucker at a glance
- Scientific name
- Catostomus catostomus
- Typical size
- 12-18 inches, 1-3 lbs
- Water
- Freshwater
- Habitat
- Freshwater
- Rarity in the Fishdex™
- Common
Habitat
Found in cold, clear lakes and streams throughout northern North America. They prefer rocky or gravel bottoms where they feed on algae, invertebrates, and organic matter. Rarely targeted by anglers but occasionally caught incidentally while fishing for other species.
Catch one and it is yours
Log a longnose sucker 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™ worksLongnose Sucker questions people ask
Longnose Sucker is Catostomus catostomus.
A typical longnose sucker runs 12-18 inches, 1-3 lbs. Cobia records the length and weight of every longnose sucker you log and keeps your personal best on its Fishdex entry.
Found in cold, clear lakes and streams throughout northern North America. They prefer rocky or gravel bottoms where they feed on algae, invertebrates, and organic matter. Rarely targeted by anglers but occasionally 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.






