Hyomandibular of Thymallus thymallus (external view)
Maximum known length for this species 60.0 cm TL (male)
Specimen collection Study collection of P. Béarez (Paris, France), specimen n°PB-D-36
Specimen determination Béarez, P. (1998)
Specimen length 29.8 cm SL, 35.0 cm TL
Collection site of the specimen Sainte Ursanne (Switzerland)
Image scale 1 cm
Image source Duque, L.
Image acquisition 
 Epson Perfection V800 Photo