Caudal vertebra 1 of Odontesthes nigricans (external view)
Maximum known length for this species 
Specimen collection National Museum of Natural History (Paris, France), specimen n°MNHN-IC-ICOS-0372
Specimen determination Béarez, P. (2009)
Specimen length 27.5 cm SL, 31.8 cm TL
Collection site of the specimen Punta Arenas (Chile)
Image scale 1 cm
Image source Grosjean, S.
Image acquisition camera
 Nikon D7000 (Micro-Nikkor 105mm)