Caudal vertebra 1 of Naucrates ductor (external view)
Maximum known length for this species 70.0 cm TL (male)
Specimen collection Study collection of P. Béarez (Paris, France), specimen n°MNHN-6461
Specimen determination Béarez, P. (1994)
Specimen length 35.7 cm SL, 43.6 cm TL
Collection site of the specimen Puerto Lopez (Ecuador)
Image scale 1 cm
Image source Valderrama, I.
Image acquisition scanner
 Epson Perfection 3200 Photo