animal aquarium aquatic Asian background beautiful black carp close-up culture curious deep fin fins fish fresh garden Gills gold isolated japanese koi lake liquid macro orange pet pond scale scales swim. swimming tail tank tranquil tropical underwater vertebrate water wildlife conflict M41 us army Vietnam War damage damaged metal rust rusted stain stained storage surface texture accommodation angles appearance arched arches architectural architecture Australia balcony building castellated castellation college crosses design elements exterior external height heritage high historic historical history hostel masonry monastery old ornamental ornamentation Paddington-lace perspectives religious roofing Rooms rooves rural solid stonework surfaces veranda verandah walls water-tanks windows wrought-iron active air-cylinder apparartus assistance breathing-apparartus breathing-equipment bystanders checking danger emergency emergency-services equipment fire-and-rescue fire-brigade fire-fighting firefighters firemen helmets help hoses hosing house-fire loss oxygen-tank prepared protecting protection protective protective-clothing pumping pumps readiness ready red spectators suburban truck uniforms vehicle aquarium-fish artificial breeders breeding colorful colors colourful colours common community-fish differences freshwater-aquarium-species guppies guppy guppy-strains hardy jar live-bearing-species millionfish pattern-variations patterns peaceful plastic-vegetation poecilia-reticulata popular rainbow-fish shapes Sizes small-size species tank-water temporary-container tropical-fish variable-food-preference variations variety widely-distributed