EntityQ6426198· pop 7· linked from 129 articleskoi pondSign in to savedecorative water feature which includes koi fishConnectionsswimming poolEntitykoiEntitystepwellEntityNagasakiEntitywater wellEntityalgaeEntityultraviolet radiationEntityspringEntityecosystemEntitygoldfishEntitybiomeEntitybody of waterEntitypondEntitysurface tensionEntitybiotopeEntitynitrogen cycleEntitypuddleEntityJapanese gardenEntitysalt evaporation pondEntityheating, ventilation, and air conditioningEntityCategoriesChinese gardening stylesFish pondsGarden featuresJapanese style of gardening