male of bleeding heart tetra, wide-spread blackwater ornamental characin fish, enjoy life in blackwater biotope aquarium

adult amazonas animal aqua aquarium aquascape aquatic barcelos basin biotope blackwater bleeding bright business captive care characidae characin clear conditions controlled cultivation curious cute decorative design dot driftwood dwarf eco ecology endemic enjoy fauna fin fish fishkeeping freshwater habitat heart hobby hyphessobrycon instinct life little live low macro male natural nature negro ornamental pet red rio side socolofi species tank tetra threat underwater water widespread young