5419 Opsaridium microcephalum (Günther, 1864) Danionidae Danios Chedrinae Cypriniformes Teleostei Africa: Lake Malawi (Nyassa) and upper Shire. ? Barilius microcephalus AMNH 17697 Barilius microcephalus P 99041.A917 Opsaridium microcephalus P 99041.A916 Opsaridium microcephalus P 99041.A915 Opsaridium microcephalus P 99041.2477 14 S 34 E Opsaridium microcephalus P 79040.0417 12 S 34 E Opsaridium microcephalus P 79040.004979040.0050 11 S 34 E Opsaridium microcephalus AMNH 17871 1929 Barilius microcephalus AMNH 19138 1929 Barilius microcephalus AMNH 31909 1965 Barilius microcephalus