Tylosurus acus acus (Lacepède, 1803)
– Agujon needlefish; Peixe-agulha ②, Agulha ③
Strongylura acus is a synomym of T. acus acus .
Albuquerque (1954 –1956) considered the presence of T. acus acus off Madeira as very doubtful. Santos et al. (1997) wrote that the identity of the species and its synonyms for the Azores needed further confirmation.