noun
Atlantic white-sided dolphin
Scientific name: Lagenorhynchus acutus. A species of dolphin found in the North Atlantic.
タイセイヨウカマイルカは北大西洋に生息する。
The Atlantic white-sided dolphin inhabits the North Atlantic.
Compound of 大西洋 (たいせいよう, 'Atlantic Ocean') + 鎌海豚 (かまいるか, 'Pacific white-sided dolphin'). The kanji 鎌 (sickle) refers to the sickle-shaped dorsal fin.