Introduction Freshwater Environment: What is a fish? Fish evolution Fish senses Fish behavior Freshwater fish classification Jawless and cartilaginous fish Ray-finned fish Amphibians Reptiles Aquatic mammals Other freshwater animals Freshwater pursuits Habitats and conservation Streams Temperate and desert rivers Tropical rivers Lakes Swamps Directory Of Freshwater Species: How to use the directory North America: Lampreys and sturgeons Paddlefish, gars and bowfin Salmon and trout Trout, Dolly Varden and grayling Catfish and bullheads Catfish, blindcats, stonecat and madtoms Madtoms Buffaloes and suckers Suckers Other suckers Suckers and redhorses Redhorses and jumprocks Goldeye, mooneye, shads, smelt and herrings Ciscos and whitefish Golden shiner, hitch, peamouth, squawfish and hardhead Chubs Chubs and stonerollers Dace and fallfish Shiners Other shiners Basses Yellow perch, walleye, flier, warmouth, sauger and crappies Sunfish Other sunfish Pirate perch, trout perch, sand roller and mudminnows Topminnows Studfish and killifish Pupfish and springfish Livebearers Tetra, silversides, swampfish and cavefish Darters Other darters Muskellunge, pickerels, drum, eel and sticklebacks Sculpins Aquatic salamanders Reptiles South America: Shark, rays, sawfish and electric eel Pirarucu, arowanas, lungfish, leaffish and knifefish Cichilds Other chichilds Piranhas and pacus Wolf fish, trahira, characins and freshwater barracuda Other characins Tetras Killifish, toothcarps and tetras Catfish Other catfish Aquatic amphibians and turtles Caimans and crocodiles Dwarf caimans, anaconda, manatees and river dolphins
Knifefish, elephantfish, bichir and lungfish
Catfish, butterflyfish and African leaffish
Characins, Madagascar rainbowfish and cyprinids
Cichlids from Lake Tanganyika and Lake Victoria
Cichlids from Lake Tanganyika
Cichilds from Lake Malawi
Chichlids from Lake Malawi and elsewhere
Other cichlids and tilapias
Nile perch, anabantoids and lyrefish
Aquatic amphibians and softshell turtles
Other turtles, crocodiles and the West African manatee
Salmon, trout and their relatives
Loaches, catfish and burbot
Sticklebacks, bullheads and mudminnow
Minnows and other small cyprinids
Carp, chub, dace and tench
Other barbells and gudgeons
Nase, soiffe, asp and ziege
Other cyprinids and toothcarps
Perch, zander, ruffe and relatives
Pike, grayling, eel and freshwater blenny
Shads, smelt, thin-lipped grey mullet and sea bass
Newts, salamanders and pond turtles
Shark, sawfish, rays and eels
Lungfish, garfish, gudgeon, sculpin, halfbeak and gobies
Knifefish, featherbacks and bonytongues
Cichlids, blue perch, rainbowfish, panchax and killifish
Barbs, mahseers, rohu and river carp
Goldfish, carp, rasboras and minnows
Aquatic amphibians and softshell turtles
Crocodiles and Chinese alligator
Gharials, dolphins and porpoises
