Caudal vertebra 1 of Atractosteus tropicus (anterior view)
Maximum known length for this species 
Specimen collection Study collection of P. Béarez (Paris, France), specimen n°MNHN-0901
Specimen determination Guzman, A. F. (2006)
Specimen length 49.2 cm SL, 56.7 cm TL
Collection site of the specimen Tabaso (Mexico)
Image scale 1 cm
Image source Grosjean, S.
Image acquisition scanner
 Epson Perfection 3200 Photo