Melanotaenia nigrans species group

fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
     Atherinidae
     Atherinopsidae
     Bedotiidae
     Melanotaeniidae
       Cairnsichthys
       Chilatherina
       Melanotaenia
         AUS
         CI 2017
         MAC
         NIG
           exquisita
           gracilis
           nigrans
           pygmaea
         SPL
         TRI
         affinis
         ajamaruensis
         albimarginata
         ammeri
         angfa
         arfakensis
         arguni
         aruensis
         batanta
         bleheri
         boesemani
         duboulayi
         eachamensis
         ericrobertsi
         fluviatilis
         goldiei
         herbertaxelrodi
         irianjaya
         lacustris
         laticlavia
         papuae
         parkinsoni
         parva
         preacox
         sexlineata
         sp Running River
         synergos
         wilsoni
         wokamensis
         x 1004
         x exnig
       Glossolepis
       Iriatherina
       Pelangia
       Rhadinocentrus
     Phallostethidae
     Pseudomugilidae
     Telmatherinidae
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
   Synbranchiformes
   more
inverts
plants
misc