Species
1,500+ fish species CatchRules can identify
Snap a photo; the on-device classifier names the top candidates in about a second. Here's a tour of what's in the index.
Freshwater gamefish
- Largemouth Bass
- Smallmouth Bass
- Spotted Bass
- Rock Bass
- Walleye
- Sauger
- Northern Pike
- Muskellunge
- Chain Pickerel
- Yellow Perch
- White Perch
- Crappie (Black)
- Crappie (White)
- Bluegill
- Redear Sunfish
- Green Sunfish
Trout & salmon
- Rainbow Trout
- Brown Trout
- Brook Trout
- Lake Trout
- Cutthroat Trout
- Bull Trout
- Arctic Char
- Chinook Salmon
- Coho Salmon
- Sockeye Salmon
- Pink Salmon
- Chum Salmon
- Atlantic Salmon
- Kokanee
- Steelhead
Saltwater inshore
- Red Drum
- Spotted Seatrout
- Snook
- Tarpon
- Bonefish
- Permit
- Striped Bass
- Bluefish
- Fluke (Summer Flounder)
- Southern Flounder
- Weakfish
- Sheepshead
- Black Drum
- Jack Crevalle
- Pompano
Saltwater offshore & pelagic
- Yellowfin Tuna
- Bluefin Tuna
- Albacore
- Skipjack Tuna
- Mahi-Mahi (Dolphinfish)
- Wahoo
- King Mackerel
- Spanish Mackerel
- Atlantic Sailfish
- Blue Marlin
- White Marlin
- Swordfish
- Cobia
- Amberjack
Reef & bottom
- Red Snapper
- Vermilion Snapper
- Mutton Snapper
- Yellowtail Snapper
- Mangrove Snapper
- Gag Grouper
- Red Grouper
- Black Grouper
- Scamp
- Black Sea Bass
- Tautog
- Porgy
- Triggerfish
- Hogfish
Catfish & other
- Channel Catfish
- Blue Catfish
- Flathead Catfish
- White Catfish
- Bullhead (Black)
- Bullhead (Brown)
- American Shad
- Hickory Shad
- White Bass
- Yellow Bass
- Hybrid Striped Bass
- Bowfin
- Longnose Gar
Full species profiles — photos, habitat, fun facts, IUCN conservation status, and federal-protection flags — are available inside the CatchRules iPhone app and will be published here soon.