Riverine Needlefish

Belonion apodion is one of two freshwater needlefish in the genus Belonion, which is in the family Belonidae. It is native to South America where it is found in the basins of the Guaporè and Madeira Rivers. This species was described by Bruce Collette in 1966 with the type locality given as Laguna 3 kilometers southwest of Costa Marques on the Rio Guapore in Bolivia at border between Brazil and Bolivia.

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El género Belonion son peces agujones de la familia belónidos, la cual está representada en ríos y agua dulce de Brasil. ​ Con el característico cuerpo alargado y pico afilado de la familia. Especies Existen dos especies válidas en este género:​ Belonion apodion (Collette, 1966) Belonion dibranchodon (Collette, 1966) Referencias «Belonion (TSN 645106)».