The green-ringed sea snake (Hydrophis cyanocinctus), a highly venomous snake of the foregut tooth class. It is 1.5-2 meters long. Its trunk is slightly cylindrical, body elongated, rear end and tail laterally flattened. The back is dark gray, and the belly is yellow or olive. The whole body has 55-80 black rings. Lives in the ocean, swims well and preys on fish. Eggs are viviparous. Distributed offshore Liaoning, Jiangsu, Zhejiang, Fujian, Guangdong, Guangxi and Taiwan, China. (Overview map

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