cá mặt trăng

== Vietnamese == === Etymology === cá +‎ mặt trăng. Perhaps a calque of a European language. For semantic relations, compare French poisson-lune, German Mondfisch, Norwegian månefisk. === Pronunciation === (Hà Nội) IPA(key): [kaː˧˦ mat̚˧˨ʔ t͡ɕaŋ˧˧] (Huế) IPA(key): [kaː˨˩˦ mak̚˨˩ʔ ʈaŋ˧˧] (Saigon) IPA(key): [kaː˦˥ mak̚˨˩˨ ʈaŋ˧˧] === Noun === cá mặt trăng (classifier con) an ocean sunfish (Mola mola).