Forktail fighting fish dart amidst the jade-green hornwort, roiling the surface of the water to create the bubbles that they need to hatch their young.
而每一池看似安靜的水塘，水下則忙碌不停，翡翠綠的「金魚藻」，隨著水微微波動，蓋斑鬥魚在其間打出一團團白色泡泡，準備用來孵育小魚。