popular ornamental characin fish, congo tetra, phenacogrammus interruptus, endemic of african congo river basin

adult africa african animal aqua aquaria aquarium aquascape aquatic background basin behaviour biotope blue breeding bright careful characin colorful colors congo copyspace cyan decoration decorative design detail domestic dominant dwarf ecology endemic exotic fauna fish fishkeeping freshwater habitat instastory instinct interruptus long male natural nature ornamental pet phenacogrammus popular protection rainbow river shows tail tank tetra timid trade underwater water yellow