Description:The new species
Glyptothorax rara can be distinguished from
its congeners in the Yarlung Tsangpo-Brahmaputra basin
by the following combination of characters: non-plaited
ventral surface of pectoral spine and first pelvic-fin
ray; a heart-shaped thoracic adhesive apparatus extending
anteriorly onto the gular region, posteriorly ending
about two thirds the pectoral-fin base; ridges of
skin radiate from the posteromedial extent of apparatus
forming a slight depressed area and posteriorly open;
longer maxillary barbel, extending beyond the end
of pectoral-fin base, and reaching the posterior half
of pectoral fin; broad pectoral spine, serrated anteriorly
with 8serrae; nasal barbel reaching anterior margin
of the eye when adpressed; and a shallow notch on
anterior margin of the lower jaw ((Chen, Y.-x et al
2024).
Glyptothorax rara Holotype-Lower Yarlung Tsangpo River,
Xizang, China.
Glyptothorax
rara Dorsal view-holotype-Lower Yarlung Tsangpo
River, Xizang, China.
If you would like to contribute to the monthly
factsheets with an article, information or photos, please e-mail
me. You will of course be credited for your work.
If you would like to donate any denomination
of monies to the site just click the above link button. All proceeds
will go to running the site and hopefully to keep it going for a few
years yet.