FIGURE 4 | Images of CT scan of the head of Electrophorus varii. A. dorsal and B. left lateral views of the cranium show the ossification of the lateral-line canals. The ossified segments of canals are marked by colors. Yellow: infraorbital canal; navy blue: mandibular canal; green: otic canal; purple: pre-opercular canal; pink: supraorbital canal; light blue: supratemporal canal; red: otic pit ossicles. ANG-AR: Angulo-articular; CLT: cleithrum; DT: dentary; ENT: entopterygoid; FR: frontal bone; HYO: Hyomandibular; IOP: interopercle; MET: mesethmoid; MTP: metapterygoid; OP: opercle; PAR: parietal; PMX: premaxila; POP: preopercle; PTO: pterotic; QU: quadrate; SP: sphenotic; SYM: sympletic. Specimen size = 82 cm TL. ... : Published as part of Verçoza, Gabriel, Shibuya, Akemi, Bastos, Douglas A., Zuanon, Jansen & Rapp Py-Daniel, Lúcia H., 2021, Organization of the cephalic lateral-line canals in Electrophorus varii de Santana, Wosiacki, Crampton, Sabaj, Dillman, Mendes-Júnior & Castro e Castro, 2019 (Gymnotiformes: Gymnotidae), pp. 1-16 in Neotropical Ichthyology (e200075) 19 (2) on page 9, DOI: 10.1590/1982-0224-2020-0075, http://zenodo.org/record/13321959 ...