HomeFreshwater aquarium fishRainbowfish & killifishCelebes rainbowfish Celebes rainbowfish (Marosatherina ladigesi) Scientific name: Marosatherina ladigesi Ahl, 1936 The Celebes rainbowfish (Marosatherina ladigesi) is a freshwater fish of the family Telmatherinidae that grows to about 7 cm (2.8 in). It is difficult to keep, suits community aquariums and needs a tank of at least 150 L (40 US gal), water at 22–28°C (72–82°F) and a pH of 7.0–8.0. Native range: Asian Islands, Streams and estuarine waters in Indonesia. Celebes rainbowfish care at a glanceCare levelDifficultCommunity tankGoodAdult size7 cm (2.8 in)Minimum tank150 L (40 US gal)Temperature22–28°C (72–82°F)pH7.0–8.0Hardness9–19 dGH (161–339 ppm)DietOmnivore BiologyAn easy to breed species. An omnivore, egg layer and peaceful community fish which prefers the following aquarium conditions: pH=7, H=12, 25?C water temperature, vegetative cover necessary.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMarosatherina ladigesiFamilyTelmatherinidae (Sailfin silversides)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length8.0EnvironmentFreshwater;; pH range: 7.0 - 8.0; dH range: 9 - 19 benthopelagic; non-migratoryClimateTropicalDistributionAsia: Bantimurung area south Sulawesi, Indonesia.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercial More rainbowfish & killifishCelebes rainbowTelmatherina celebensisMarmorated medakaOryzias marmoratusLyretail panchaxAphyosemion australeTwostripe lyretailAphyosemion bivittatumRed-Tailed SilversideBedotia geayiArgentine pearlfishAustrolebias bellottiiSee all rainbowfish & killifish 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