HomeFreshwater aquarium fishGuppies & livebearersBluetail goodea Bluetail goodea (Ataeniobius toweri) Scientific name: Ataeniobius toweri Meek, 1904 The Bluetail goodea (Ataeniobius toweri) is a freshwater fish of the family Goodeidae that grows to about 7.6 cm (3 in). It is moderate to keep and peaceful, is best kept in a species tank and needs water at 22–30°C (72–86°F) and a pH of 6.8–7.6. Native range: North America, Mexico, Rio Verde and San Louis Potosi rivers. Bluetail goodea care at a glanceCare levelModerateTemperamentPeacefulCommunity tankNot suitableAdult size7.6 cm (3 in)Temperature22–30°C (72–86°F)pH6.8–7.6DietAccepts frozen foods, live foods and vegetables. Species factsScientific nameAtaeniobius toweriFamilyGoodeidae (Splitfins)OrderCyprinodontiformes (Live bearers, Killifishes and Rivulines)ClassActinopterygii (Ray-finned fishes)Maximum length7.0EnvironmentFreshwater;; pH range: 7.9 - ?; dH range: 53 - ? demersalClimateTropicalDistributionNorth America: Rio Verde, San Luis Potos?, Mexico.Conservation status (IUCN)Endangered (EN) (A2ce, B1+2abc)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercial More guppies & livebearersButterfly splitfinAmeca splendensBold characodonCharacodon audaxPoecilia wingeiMollyPoecilia sphenopsSouthern platyfishXiphophorus maculatusGreen swordtailXiphophorus helleriiSee all guppies & livebearers Can it live with...?Bluetail goodea and Blackbarred limiaBluetail goodea and Bold characodonBluetail goodea and Butterfly splitfinBluetail goodea and Lampeye panchaxBluetail goodea and MollyBluetail goodea and MosquitofishBluetail goodea and Redtail splitfin SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026