Tetragonopterus Astyanax brevimanus Iguanodectes rachovii Astyanax belizianus Hemigrammus ulreyi Astyanax angustifrons Astyanax aeneus Canna Maria Louise Popta Tailspot tetra Astyanax argentatus Characidae Astyanax bimaculatus List of aquarium fish by scientific name Moenkhausia Tetra Bryconops alburnoides Iguanodectidae Astyanax caucanus Hemigrammus elegans Orangefin tetra List of Anthribidae genera Astyanax abramis Psalidodon fasciatus Mexican tetra Hyphessobrycon heterorhabdus Hollandichthys Eightband butterflyfish Markiana Hollandichthys multifasciatus Head-and-taillight tetra Serpae tetra Redeye tetra