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Stonecat
Noturus flavus
Stonecat (Noturus flavus) is a small native North American madtom, a nocturnal catfish that hides by day under rocks and logs in flowing streams and rivers. It’s known for a stout body, broad head, and venomous pectoral and dorsal fin spines.
Streaked Prochilod
Prochilodus lineatus
Streaked Prochilod (Prochilodus lineatus) is a South American characin-like migratory fish that forms large schools and is important in river fisheries. It is a detritivore-grazer, often abundant in big lowland river systems and floodplains.
Striped Shiner
Luxilus chrysocephalus
Striped Shiner is a common North American minnow of clear upland streams and small rivers. It often schools over gravel and sand, feeding on insects, algae, and small invertebrates; it is sometimes used as bait but is not a major game fish.
Striped Snakehead
Channa striata
Striped snakehead (Channa striata) is a hardy air-breathing predatory fish native to South and Southeast Asia and widely introduced elsewhere. It inhabits warm, still or slow waters and can survive poor oxygen conditions. In many regions it is an invasive species and a valued food fish.
Tadpole Madtom
Noturus gyrinus
The Tadpole Madtom is a small North American catfish with a stout, tadpole-like body and a short tail. It’s usually nocturnal and secretive, living on soft bottoms in slow waters where it picks off insects, worms, and other tiny invertebrates.
Taiwan Horse Mouth
Candidia barbata
Taiwan Horse Mouth (Candidia barbata) is a little-known cyprinid reported from Taiwan; reliable species-level biological and angling information is limited. It is generally associated with clear running waters and is not a mainstream game fish.
Taiwan Torrent Carp
Acrossocheilus paradoxus
Taiwan Torrent Carp (Acrossocheilus paradoxus) is a stream-dwelling cyprinid endemic to Taiwan. It lives in clear, fast-flowing mountain rivers where it grazes algae and small invertebrates from rocks.
Tench
Tinca tinca
Tench (Tinca tinca) is a hardy Eurasian freshwater cyprinid now widely introduced and established in still or slow waters. It’s prized by coarse anglers for its strong fight, secretive habits, and feeding in dense cover on the bottom.
Texas Cichlid
Herichthys cyanoguttatus
Texas Cichlid (Herichthys cyanoguttatus) is a robust North American cichlid native to southern Texas and northeastern Mexico. It lives in warm, slow waters and is known for aggressive territorial behavior, especially when spawning.
Threadfin Shad
Dorosoma petenense
Threadfin Shad is a small schooling clupeid native to fresh waters in the southern United States, Mexico, and parts of Central America. It is an important forage fish for bass, crappie, stripers, and catfish, and is often stocked in reservoirs.
Three Spot Gourami
Trichopodus trichopterus
Three Spot Gourami (Trichopodus trichopterus) is a labyrinth fish native to Southeast Asia and widely introduced worldwide in warm freshwater. The two dark body spots plus the eye form the “three spots,” though ornamental color strains are common in aquaria.
Topmouth Gudgeon
Pseudorasbora parva
Topmouth Gudgeon is a small invasive cyprinid native to East Asia and now established across much of Europe and parts of Asia. It thrives in warm, still waters and is known for rapid spread and competition with native fishes.