HomeFish encyclopediaRay-finned fishesCarpsLoachesKissing loach Kissing loach (Leptobotia curta) Scientific name: Leptobotia curta Temminck & Schlegel, 1846 Photo: https://www.mindenpictures.com/search/preview/kissing-loach-leptobotia-curta/0_00484679.html The Kissing loach (Leptobotia curta) is a freshwater fish of the family Cobitidae. Native range: Asia, Lake Biwa, Yodo River, and several rivers of the Okayama Prefecture, Japan. Considered endangered. Species factsScientific nameLeptobotia curtaFamilyCobitidae (Loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentFreshwater; demersalClimateTemperateDistributionAsia: Lake Biwa, Yodo River, and several rivers of the Okayama Prefecture, Japan. Considered endangered.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026