active and curious male of bleeding heart tetra, hyphessobrycon socolofi, freshwater fish, endemic of rio negro

active adult amazonas animal aqua aquarium aquatic barcelos biotope blackwater bleeding bright business characidae clear cultivation curious cute decorative design dot driftwood dwarf echinodorus eco ecology endemic fauna fin fish fishkeeping flock fora freshwater habitat heart hobby hyphessobrycon instinct little live macro male natural nature negro ornamental plant red rich rio side socolofi species tank tetra threat underwater water