Schwertfisch

From LSJ

τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies

Source

German > Latin

Schwertfisch, xiphĭas (ξιφίας); rein lat. gladius.