Pethia conchonius Longfin Fish Profile: Genus Pethia Species conchonius Longfin Common name Longfin Rosy Barb Origin India, Variety Tank Size min. 60 - 100 cm Temperature 20 - 28 °C pH Value 6.0 - 8.0 Fish Size 6-8 cm Food Omnivore Care Sociable, Schooling fish, Diurnal