noun
Atlantic spotted dolphin
Scientific name Stenella frontalis; a dolphin species found in the Atlantic Ocean.
タイセイヨウマダライルカは大西洋の温かい海域に生息している。
The Atlantic spotted dolphin inhabits warm waters of the Atlantic Ocean.
Compound of 大西洋 (Atlantic Ocean) + 斑 (spotted) + 海豚 (dolphin). The exact derivation is uncertain, but the name describes the dolphin's appearance and habitat.