Vibrant fork-tailed paradisefish swimming in blue aquarium waters, blur motion effect

forktailed paradisefish macropodus opercularis aquarium swimming vibrant blue water fish underwater wildlife aquatic marine life blur motion movement exotic pet freshwater colorful fauna graceful fins gourami aquaculture aquarium hobby fluorescent tank breeding tropical ornamental reflection serenity tranquil fluid nature ecosystem biodiversity conservation hobby livestock animal zoology icthyology blur effect soft focus depth of field closeup