Linked from
The 23 pages that link to Freshwater fish, each with the reason it gives.
Nile perchNarrower topic: Nile perch inhabits freshwater systems across much of its native range.
CyprinidaeNarrower topic: Most cyprinids are adapted to inland freshwater habitats.
CichlidNarrower topic: Cichlids are a notably diverse lineage within freshwater ecosystems.
Northern pikeNarrower topic: The species lives in inland waters rather than marine habitats.
GuppyNarrower topic: Guppies inhabit freshwater streams, pools, and other inland waters.
TroutNarrower topic: Trout’s usual habitat places them within this broad ecological group.
EsoxNarrower topic: Esox species are predators within lakes, rivers, and other freshwater habitats.
Murray codNarrower topic: Murray cod is adapted to inland rivers rather than marine waters.
GouramiNarrower topic: Gouramis belong to this broad ecological group.
TambaquiNarrower topic: Tambaqui is a large representative of tropical freshwater fishes.
PumpkinseedNarrower topic: The species lives in lakes, ponds, and slow-moving freshwater habitats.
Wels catfishNarrower topic: The Wels catfish inhabits inland rivers, lakes, and reservoirs.