clam 蚌

mussel 淡菜,贻贝

oyster 牡蛎

scallop 扇贝

sea urchin 海胆

prawn 虾

crayfish 小龙虾, 喇蛄

lobster 龙虾

shrimp 对虾

large prawn 大对虾

spiny/rock lobster 大螯虾

crab 蟹

hermit crab 借居蟹

例句：

这种不会飞的海鸟不再喜欢吃鱼，而是转向了海豹和须鲸类喜食的磷虾和虾类的甲壳动物。

The seabirds abandoned fish in favor of krill(磷虾), shrimp-like crustaceans(甲壳动物) that are a major component in the diets of seals (海豹) and baleen whales(须鲸).