想要恢复螃蟹生机，郑清海认为保育观念必须从小灌输。
To save the crabs, Zheng Qinghai says conservation awareness has to start early.
小朋友手中的螃蟹，郑清海一看就能够念出正确的螃蟹学名，本土螃蟹种类众多，台湾特有种台湾招潮蟹，却濒临绝种。
The crabs the children catch can be named in an instant by Zheng Qinghai. The majority are common to the region, but the endemic species of Taiwanese fiddler crab is facing extinction.
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