
Ictiobus cyprinellus
The largest of North America's sucker family, the bigmouth buffalo is a heavy, deep-bodied fish with dull bronze-olive flanks and a distinctive terminal, forward-facing mouth. Native to Saskatchewan's southern rivers and prairie lakes, it is an extraordinarily long-lived fish — some individuals exceed 100 years — and carries a province-wide limit of zero.
Warm, turbid prairie rivers, backwaters, and shallow lakes of southern Saskatchewan; a filter-feeding native sucker with a 0 harvest limit.
Species reference image (Ictiobus cyprinellus.jpg). Resized and recompressed; Public domain terms apply to this version. This is not evidence of a sighting at a linked water.
Image: Creator not identified on the source page — Public domain
Bigmouth Buffalo (Ictiobus cyprinellus) is associated with river water and lake water in the species record. Habitat information describes the species, not permission to fish for it. The recorded average size is approximately 24 inches; individual sizes vary.
Outland Atlas links Bigmouth Buffalo to water records in Iowa, Kansas, Louisiana, and Saskatchewan. These associations may reflect documented presence, seasonal runs, or historical stocking, not angler catch reports or current abundance. Read the linked water guides and source notes for evidence dates and reaches.
A recorded association does not establish that targeting or retaining Bigmouth Buffalo is permitted. Confirm current species protections, seasonal and emergency closures, reach-specific rules, gear restrictions, bag and size limits with the responsible fisheries authority before fishing. A fishing license does not override these restrictions. Outland Atlas's regulation records may be incomplete; missing rules do not mean unrestricted fishing.
Explore these Outland Atlas water guides for places where Bigmouth Buffalo is recorded:
We have not selected a species-specific affiliate setup for this guide. First establish whether targeting is permitted at your destination; no tackle recommendation should be inferred from a species record.
A closed season prohibits targeting, even with release. Follow the water-specific rules linked in this guide.
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Review available regulation records and confirm whether fishing for Bigmouth Buffalo is permitted with the responsible fisheries authority:
The species record associates Bigmouth Buffalo (Ictiobus cyprinellus) with river water and lake water. Habitat information is not evidence of current abundance or permission to target the species.
The recorded average size for Bigmouth Buffalo is approximately 24 inches. Individual sizes vary; this average is not a maximum size or a legal retention limit.
Outland Atlas links Bigmouth Buffalo to water records in Iowa, Kansas, Louisiana, and Saskatchewan. These associations may reflect documented presence, seasonal runs, or historical stocking, not angler catch reports. Check the linked water guides and source notes for evidence dates and reaches; a listing does not guarantee current presence or legal fishing opportunity.
No. A listing records an association, not permission to target or retain Bigmouth Buffalo. License requirements and exemptions vary. Confirm current species protections, seasonal and emergency closures, reach-specific rules, gear restrictions, bag and size limits with the responsible fisheries authority. A license does not override restrictions, and missing Outland Atlas regulation records do not mean unrestricted fishing.