At the front of this fish's body is a black spot atop its sparkling blue scales, and they are distinguished by their large tail and dorsal fins. Males will frequently engage in a behavior called "fin spreading", where they spread out their fins and attempt to intimidate each other.
- Scientific Name
- Hyphessobrycon megalopterus
- Classification
- Order: Characiformes, Family: Characidae
- Habitat
- Paraguay basin, Orinoco basin
