Danio margaritatus bodies in the Inle drainage, the water is slightly alkaline. The habitat is heavily vegetated with Hydrocharitaceae similar to "Elodea" (water weed). The celestial pearl danio shares its habitat with a very few fish species: a "Microrasbora" similar to "M. rubescens", a rosy loach ("Yunnanilus", possibly a new species, and the dwarf snakehead "Channa harcourtbutleri". The latter species presumably is the only known significant predator of "D. margaritatus". The species is locally fished for food to some extent; it is dried and bought as a protein source by poor people. A can of some 500 "D. margaritatus" sold for food
Jeanne Coroller-Danio Jeanne Coroller-Danio Jeanne Coroller-Danio (25 May 1892 in Mordelles – 13 July 1944 in Penguily) was a Breton nationalist and writer. She is also known as Jeanne Coroller (her maiden name) and Jeanne Chassin du Guerny (her married name). Her best-known pen-name was Danio, but she published her work under various pseudonyms: J.C. Danio, Jeanne de Coatgourc'han, Gilles Gautrel and Gilesse Penguilly. She was the daughter of Breton-language writer Eugene Coroller (1857–1923), friend of Theodore Hersart of Villemarqué. Born in Mordelles in 1892, she married Rene Chassin du Guerny in 1924, with whom she had six children. A traditionalist Catholic