bleeding heart tetra, hyphessobrycon socolofi, popular ornamental blackwater fish from barcelos, rio negro, active male

active adult amazonas animal aqua aquaculture aquarium background barcelos biotope black blackwater bleeding breed breeding bright careful characidae characin clear closeup coloration colorful courtship decorative driftwood ecology endangered endemic fauna fearful female fish fishkeeping freshwater habitat heart hobby hyphessobrycon instinct line little macro male nature negro ornamental pair plant popular protection red rio smart socolofi species specimen tank tetra threat timid underwater vulnerable water wild