A scabbardfish, especially as caught for food in Madeira and elsewhere.
带鱼（尤指在马德拉群岛等地捕来供食用的带鱼）
Example sentencesExamples
This includes the eel-like espada, which is only found in deep water off Madeira and Japan, and which looks like it could have your arm off with its rows of ferocious teeth.
Origin
Via Portuguese from Spanish, from Latin spatha 'sword'.