| Hyomandibular of Muraena argus (external view) | ||
| Maximum known length for this species | 120.0 cm TL (male) | |
| Specimen collection | Study collection of P. Béarez (Paris, France), specimen n°MNHN-6822 | |
| Specimen determination | Béarez, P. (2000) | |
| Specimen length | 76.5 cm TL (Female) | |
| Collection site of the specimen | Puerto Lopez (Ecuador) | |
| Image scale | 1 cm | |
| Image source | Bled, L. | |
| Image acquisition | scanner | |
| Epson Perfection 3200 photo | ||