noun
endemic species
A species native and restricted to a particular geographic region. Used in ecology and conservation contexts.
ガラパゴス諸島には多くの固有種が生息している。
Many endemic species inhabit the Galapagos Islands.
その島の固有種を保護するための法律が制定された。
A law was enacted to protect the island's endemic species.
外来種 are introduced species not native to the area, the opposite of endemic species.
Compound of 固有 (こゆう, 'inherent, peculiar to') and 種 (しゅ, 'species'). The term is a direct calque from Western biological terminology.