WTetra
WAstyanax (fish)
WAstyanax jordani
WBlack neon tetra
WBlack phantom tetra
WBlack tetra
WBleeding heart tetra
WBrycinus longipinnis
WBucktooth tetra
WBuenos Aires tetra
WCardinal tetra
WCongo tetra
WCopella (fish)
WCopella arnoldi
WCostello tetra
WCrenuchus spilurus
WCtenobrycon spilurus
WDiamond tetra
WEmber tetra
WFlame tetra
WGlass bloodfin tetra
WGreen neon tetra
WHead-and-taillight tetra
WHemigrammus bleheri
WHemigrammus erythrozonus
WHemigrammus ulreyi
WHyphessobrycon
WHyphessobrycon bentosi
WHyphessobrycon columbianus
WLemon tetra
WMexican tetra
WMinor tetra
WNeon tetra
WParacheirodon
WPristella maxillaris
WRedeye tetra
WRosy tetra
WRummy-nose tetra
WSerpae tetra
WSilvertip tetra
WThayeria boehlkei
WYellow-tailed African tetra