狐猿 (hiragana きつねざる, katakana キツネザル, romaji kitsunezaru)
狐 (kitsune, “fox”) + 猿 (saru, “monkey”). Compare Chinese 狐猴 (literally “fox monkey”), Korean 여우원숭이 (yeouwonsung-i, literally “fox monkey”) and Vietnamese vượn cáo (literally “fox ape”).