bleeding heart tetra male and golden pencilfish friendly neighbour, neon glowing colors, rio negro endemic fish

adult amazonas animal aqua aquascape aquatic barcelos beckfordi bright business care characidae clear conditions controlled cultivation decorative demanding detail dot driftwood dwarf ecology ecosystem exotic farming fauna fish fishery fishkeeping free freshwater habitat hobby hyphessobrycon ichthyology instinct low macro nannostomus nano ornamental pet piaba project red relax side socolofi space specimen tank threat tropical underwater vulnerable wildlife