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Fish guide prioritized for North America.

Browse published fish with real images, identification points, water type, and cautious local context. Region changes the order, not the search scope.

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Freshwater targets such as bass, walleye, trout, pike, bluegill, and catfish appear first.

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Showing 12 of 208 published fish

Redbelly Piranha reference image
Freshwater

Redbelly Piranha

Pygocentrus nattereri

Redbelly piranha (Pygocentrus nattereri) is a South American freshwater characiform known for its deep body, red belly, and powerful jaws. It schools in warm rivers, floodplains, and lakes, feeding opportunistically on fish, insects, crustaceans, and carrion.

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Redbreast Sunfish reference image
Freshwater

Redbreast Sunfish

Lepomis auritus

Redbreast Sunfish is a colorful southeastern North American sunfish that favors clear, flowing water. It’s a common panfish and readily takes small natural baits and tiny lures near cover.

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Redear Sunfish reference image
Freshwater

Redear Sunfish

Lepomis microlophus

Redear Sunfish (Lepomis microlophus) is a southeastern North American sunfish widely stocked beyond its native range. It is nicknamed "shellcracker" for its strong pharyngeal teeth used to crush snails, mussels, and other hard-shelled prey.

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Redside Shiner reference image
Freshwater

Redside Shiner

Richardsonius balteatus

Redside Shiner is a small western North American minnow found in cool, clear streams, rivers, and lake margins. It often shows a rosy to red lateral stripe in breeding fish and feeds on insects, algae, and zooplankton.

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Redspotted Sunfish reference image
Freshwater

Redspotted Sunfish

Lepomis miniatus

Redspotted Sunfish (Lepomis miniatus) is a small, colorful sunfish native to the south-central United States. It lives in quiet, warm, vegetated waters and readily feeds on small aquatic invertebrates and insects.

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Redtail Catfish reference image
Freshwater

Redtail Catfish

Phractocephalus hemioliopterus

Redtail Catfish is a giant Amazonian catfish prized by anglers and aquarium keepers. It lives in large tropical rivers and floodplains, growing fast and feeding opportunistically on fish, crustaceans, and carrion.

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River Chub reference image
Freshwater

River Chub

Nocomis micropogon

River Chub is a medium-sized North American minnow found in clear, cool to warm streams with gravel or cobble bottoms. Males build large pebble mound nests in shallow riffles, and the species is an important host fish for many freshwater mussels.

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Roach reference image
Freshwater

Roach

Rutilus rutilus

Roach is a small cyprinid schooling fish common in slow rivers, canals, lakes, and ponds across Europe and western Asia. It feeds mostly on invertebrates, algae, and detritus, and is a classic coarse-fishing species rather than a major food fish.

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Rock Bass reference image
Freshwater

Rock Bass

Ambloplites rupestris

Rock Bass (Ambloplites rupestris) is a small North American sunfish often found around cover in clear to moderately turbid freshwater. It’s a hardy ambush predator that feeds on aquatic insects, crayfish, and minnows, and is a popular panfish for light-tackle anglers.

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Rohu reference image
Freshwater

Rohu

Labeo rohita

Rohu is a large South Asian carp prized for food and pond culture, native to major river systems like the Ganges, Brahmaputra, and Indus. It is an herbivorous to omnivorous bottom- and midwater feeder that often schools in rivers, reservoirs, and floodplain waters.

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Rosy Bitterling reference image
Freshwater

Rosy Bitterling

Rhodeus ocellatus

The rosy bitterling is a small East Asian cyprinid known for the male’s rosy breeding colors and a dark spot at the base of the dorsal fin. It is closely tied to freshwater mussels for spawning and is best known as an aquarium and conservation species rather than a sport fish.

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Rosyface Shiner reference image
Freshwater

Rosyface Shiner

Notropis rubellus

Rosyface Shiner (Notropis rubellus) is a small North American minnow found in clear, cool streams and small rivers. Breeding males develop a rosy-red face and fins; outside spawning season it is a subdued silver shiner.

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