Ancaeus
From LSJ
ἡ κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person
Ἀγκαῖος, ὁ.
Ancaeus: i, m., = Ἀγκαῖος,
I an Arcadian, slain by the Calydonian bcar, Ov. M. 8, 315; 8, 401; 8, 519.