Thoracocharax securis, the giant hatchetfish, is a species of freshwater ray-finned fish belonging to the family Gasteropelecidae, the freshwater hatchetfishes. This fish is found in the Amazon River Basin. Adults will grow up to 6.8 cm in the wild and 9 cm in the aquarium. It is a rarely seen species in the aquarium hobby. It is known to glide up to out of the water."Silver Hatchetfish|Thoracocharax securis" Mongabay Retrieved on August 1, 2014.
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Giant Hatchetfish Thoracocharax securis (De Filippi, 1853)