@article{fdi:010060582, title = {{T}ometes camunani ({C}haraciformes : {S}errasalmidae), a new species of phytophagous fish from the {G}uiana {S}hield, rio {T}rombetas basin, {B}razil}, author = {{A}ndrade, {M}. {C}. and {G}iarrizzo, {T}. and {J}{\'e}gu, {M}ichel}, editor = {}, language = {{ENG}}, abstract = {{A} new species of {S}errasalmidae, {T}ometes camunani, is described from the upper drainages of the rio {T}rombetas basin, {P}ara {S}tate, {B}razil. {T}he new species is distinguished from its congeners by having neurocranium with a slight concavity at the level of the frontal bone (vs. concavity absent, dorsal profile of neurocranium straight). {I}t can be further distinguished from its congeners by having teeth with central cusp taller and acute (vs. central cusp shorter and with rounded edge in {T}. trilobatus), a terminal mouth (vs. upturned mouth in {T}. lebaili), and 12-26 prepelvic spines (vs. 0-9 in {T}. makue). {T}he new species is strictly rheophilic like other species of {T}ometes, and occurs exclusively in the rapids of shield rivers, complex and fragile biotopes that are threatened by anthropogenic activities. {A}n identification key to the species of the {M}yleus group is provided.}, keywords = {{A}mazon basin ; {H}erbivorous fishes ; {R}apids ; {R}heophily ; {T}axonomy ; {BRESIL}}, booktitle = {}, journal = {{N}eotropical {I}chthyology}, volume = {11}, numero = {2}, pages = {297--306}, ISSN = {1679-6225}, year = {2013}, URL = {https://www.documentation.ird.fr/hor/fdi:010060582}, }