Opsarius bernatzikiOpsarius bernatziki is a fish in the Opsarius genus of the family Danionidae. It is found in Thailand, Southeast Myanmar, and the Malay Peninsula. It is associated with a freshwater habitat and can grow up to 9.1 cm.EtymologyThe fish is named in honor of Hugo Bernatzik, an Austrian anthropologist, photographer and a travel writer, who collected the holotype specimen.