Pearl danio They live in a tropical climate with water with a 6.0 – 8.0 pH, a water hardness of up to 5 – 19 dGH, and a temperature range of 68–77 °F (20–25 °C). Their diet consists mostly of exogenous insects and zooplankton. The pearl danio is an egglayer. Golden varieties are often seen in shops; these are in reality semi-albino fish. The blue-redstripe danio ("D. a. var. pulcher") and the Kedah danio ("D. a. var. tweediei") were considered distinct, but most taxonomic authorities consider them to be varieties of the pearl danio. Pearl danio The pearl danio ("Danio albolineatus") is
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