schooling species pencilfish swim in biotope aquarium with driftwood and leaf litter, neon glow colors in low light

adult amazonia america animal aqua aquaculture aquascape background beckfordi beginner blurred brazil business careful characin closeup colourful conditions controlled curious detail dof dwarf ecology ecosystem endemic exotic farming fauna fish fishery fishkeeping free freshwater golden habitat hobby ichthyology instinct lebiasinidae low macro nannostomus nano nature pencil piaba planted project red relax sensitive shallow slender south space stripe tank tropical understanding underwater vulnerable wildlife