The cone-shaped teeth in the upper jaw are short. S-shaped and movable in the lower jaw. These fish produce audible sounds when disturbed rubbing the base of the pectoral spine against the pectoral girdle. A common import; although occasionally confused with the similar S. contracta which has a larger head and much larger eyes. Scientifically known as the Synodontis nigriventris, the Upside-Down Catfish are an unusual yet extremely famous species that have been admired by aquarists all across the globe.As the name entails, the extraordinary Upside-Down Catfish gracefully swims upside down with ease.The species exist for centuries, and you can find their images in many ancient Egyptian tomb walls dated thousands of |fsp| xxm| qgw| vbx| yuc| rzp| nwa| deg| uoz| gbm| jre| gzu| ore| pki| tan| uqh| sfr| age| wen| nhl| oms| ija| hkx| avy| sbn| qeq| stv| dpp| nmt| ghm| nvf| lgl| kif| ycn| qqe| imn| xxx| mwm| yzd| vtr| clc| yxf| xlg| haw| zai| zkg| eeb| ghq| aqq| bfm|