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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.
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.
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.
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.
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.
Roach
Rutilus rutilus
Roach on yleinen kalalaji, jota tavataan usein lajille sopivat vedet ja rakenteiset alueet. Opas kokoaa tunnistuksen, elinympäristön ja kalastusvinkit.
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.
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.
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.
Rosyside Dace
Clinostomus funduloides
Rosyside Dace is a small southeastern U.S. minnow found in clear, cool, rocky streams. Males develop a rosy to red side stripe and bright breeding colors, especially in spring and early summer.
Ruddy Bowfin
Amia calva
Ruddy Bowfin is the uncommon reddish color form of the Bowfin, Amia calva, a primitive air-breathing fish of slow waters in eastern North America. It is not a separate species, but the color variant is prized by some anglers and can be mistaken for the typical olive-brown form.
Ruffe
Gymnocephalus cernua
Ruffe (Gymnocephalus cernua) is a small Eurasian percid that has invasive populations in parts of North America. It’s a bottom-oriented, schooling fish that feeds heavily on benthic invertebrates and is usually caught as an accidental bycatch rather than a prized gamefish.