Figure 21 in Phylogenetic interrelationships, taxonomy, and reductive evolution in the Neotropical electric fish genus Hypopygus (Teleostei, Ostariophysi, Gymnotiformes)

Figure 21. Hypopygus isbruckeri, holotype, head, and lateral and dorsal views of body, UF 148539, 90 mm, immature; Venezuela, Amazonas, stream at Caño Magua, approximately 1 km from Magua, 13 km from San Fernando de Atabapo, 3°58′50.22″N, 67°36′28.08″W. Scale bars = 5 mm. Note. Scales are missing along mid section of flank because of specimen damage.Published as part of De Santana, Carlos D. & Crampton, William G. R., 2011, Phylogenetic interrelationships, taxonomy, and reductive evolution in the Neotropical electric fish genus Hypopygus (Teleostei, Ostariophysi, Gymnotiformes), pp. 1096-1156 in Zoological Journal of the Linnean Society 163 (4) on page 1127, DOI: 10.1111/j.1096-3642.2011.00736.x, http://zenodo.org/record/544225