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Colossal Sea Creatures
Although megafish are impressive, even bigger organisms ply the world's oceans, from the great whales to sprawling jellyfish. A powerful stinger, the lion's mane jellyfish (pictured) can reach a diameter of 6.6 feet (2 meters), with tentacles topping 49 feet (15 meters).
The world's biggest fish, the whale shark, can reach lengths of 40 feet (12 meters). The world's biggest mammal, the blue whale, can easily reach the length of a city bus and weigh close to 200 tons.
Also tipping the scales are giant clams, which can weigh more than 500 pounds (227 kilograms) and live for more than a hundred years.
巨型海洋動物
巨型淡水魚的體型給人留下深刻印象，但與鯨魚、巨型水母等海洋中的巨獸相比，它們只能算是一個小個子。照片展示的是一只獅鬃水母，直徑達到6.6英尺(約合2米)，觸須長度超過49英尺(約合15米)。世界上體型最大的魚類鯨鯊，身長可達到40英尺(約合12米)。世界上最大的哺乳動物藍鯨的身長與一輛巴士相當，體重接近200噸。一些巨蛤的體重超過500磅(約合227公斤)，壽命超過100年。
