a cyprinid fish, Rhodeus sericeus, found in central and eastern Europe, the female of which has a long, bright yellow or red ovipositor to deposit eggs in the mantle cavity of mussels.
Origin of bitterling
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a small brightly coloured European freshwater cyprinid fish, Rhodeus sericeus : a popular aquarium fish
Word Origin for bitterling
C19: from German; see bitter + -ling 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012