鱂屬是鯉齒鱂科下的一個屬，又可稱為鯉齒鱂屬。其下生物主要發現於墨西哥、加勒比地區和美國南部各地。其下有的種分佈並不集中，有些是特有種。Contreras Balderas S and W Bussing 2013 Yucatan Freshwater Ecoregions of the World Retrieved 1 March 2013Martin C H and P C Wainwright 2013 Multiple Fitness Peaks on the Adaptive Landscape Drive Adaptive Radiation in the Wild Science 339 6116 208211 其下許多種的生存環境都受到了威脅，有的已經瀕臨滅絕。 C alvarezi 和 C longidorsalis 已經在野外滅絕。 鱂屬生物個體都較小，最大的不，平均長度只有此資料的一半。 種 該屬下現有 49 種： Cyprinodon albivelis W L Minckley R R Miller 2002 Cyprinodon alvarezi R R Miller 1976 Cyprinodon arcuatus W L Minckley R R Miller 2002 Cyprinodon artifrons C L Hubbs 1936 Cyprinodon atrorus R R Miller 1968 Cyprinodon beltrani Álvarez 1949 Cyprinodon bifasciatus R R Miller 1968 Cyprinodon bobmilleri LozanoVilano ContrerasBalderas 1999 Cyprinodon bondi G S Myers 1935 Cyprinodon bovinus S F Baird Girard 1853 Cyprinodon brontotheroides C H Martin Wainwright 2013 Martin CH Wainwright PC 2013 A Remarkable Species Flock of Cyprinodon Pupfishes Endemic to San Salvador Island Bahamas Bulletin of the Peabody Museum of Natural History 54 2 231240 Cyprinodon ceciliae LozanoVilano ContrerasBalderas 1993 Cyprinodon dearborni Meek 1909 Cyprinodon desquamator C H Martin Wainwright 2013 Cyprinodon diabolis Wales 1930 Cyprinodon elegans S F Baird Girard 1853 Cyprinodon eremus R R Miller Fuiman 1987 Cyprinodon esconditus Strecker 2002 Cyprinodon eximius Girard 1859 Cyprinodon fontinalis M L Smith R R Miller 1980 Cyprinodon higuey C M Rodriguez M L Smith 1990 Cyprinodon hubbsi Carr 1936 Cyprinodon inmemoriam LozanoVilano ContrerasBalderas 1993 Cyprinodon julimes De la MazaBenignos VelaValladares 2009 Cyprinodon labiosus Humphries R R Miller 1981 Cyprinodon laciniatus C L Hubbs R R Miller 1942 Cyprinodon latifasciatus Garman 1881 Cyprinodon longidorsalis LozanoVilano ContrerasBalderas 1993 Cyprinodon macrolepis R R Miller 1976 Cyprinodon macularius S F Baird Girard 1853 Cyprinodon maya Humphries R R Miller 1981 Cyprinodon meeki R R Miller 1976 Cyprinodon nazas R R Miller 1976 Cyprinodon nevadensis C H Eigenmann R S Eigenmann 1889 Cyprinodon nevadensis amargosae R R Miller 1948 Cyprinodon nevadensis calidae R R Miller 1948 Cyprinodon nevadensis mionectes R R Miller 1948 Cyprinodon nevadensis nevadensis C H Eigenmann R S Eigenmann 1889 Cyprinodon nevadensis pectoralis R R Miller 1948 Cyprinodon nevadensis shoshone R R Miller 1948 Cyprinodon nichollsi M L Smith 1989 Cyprinodon pachycephalus W L Minckley C O Minckley 1986 Cyprinodon pecosensis A A Echelle A F Echelle 1978 Cyprinodon pisteri R R Miller W L Minckley 2002 Cyprinodon radiosus R R Miller 1948 Cyprinodon riverendi Poey 1860 Cyprinodon rubrofluviatilis Fowler 1916 Cyprinodon salinus R R Miller 1943 Cyprinodon salinus milleri LaBounty Deacon 1972 Cyprinodon salinus salinus R R Miller 1943 Cyprinodon salvadori LozanoVilano 2002 Cyprinodon simus Humphries R R Miller 1981 Cyprinodon suavium Strecker 2005 Cyprinodon tularosa R R Miller A A Echelle 1975 Cyprinodon variegatus Lacépède 1803 Cyprinodon variegatus baconi Breder 1932 Cyprinodon variegatus ovinus Mitchill 1815 Cyprinodon variegatus variegatus Lacépède 1803 Cyprinodon verecundus Humphries 1984 Cyprinodon veronicae LozanoVilano ContrerasBalderas 1993 參考文獻 Category1803 年描述的分類群 Category 貝爾納熱爾曼德拉塞佩德命名的生物分類