| Preural vertebra 6 of Perca fluviatilis (anterior view) | ||
| Maximum known length for this species | 60.0 cm TL (male) | |
| Specimen collection | Study collection of P. Béarez (Paris, France), specimen n°MNHN-D-25 | |
| Specimen determination | Béarez, P. | |
| Specimen length | 26.0 cm SL, 30.8 cm TL (Unknown sex) | |
| Collection site of the specimen | Montreuil-Juigné (France) | |
| Image scale | 1 cm | |
| Image source | Bled, L. | |
| Image acquisition | camera | |
| Reflex Nikon D5100 | ||