pelagic
adjective environment specialized uk/pəˈlædʒ.ɪk/ us/pəˈlædʒ.ɪk/
远洋的
relating to or living in areas of the sea away from the land
Pelagic birds spend much of their time at sea. 远洋鸟类大部分时间在海上度过。
（海洋生物）栖居于中上水层的，浮游的
(of fish) living near the surface of the sea
Fishing would be limited to pelagic species, such as salmon. 捕鱼将仅限于栖居中上水层的鱼种，如鲑鱼。