It's a L190, Columbian pleco panaque nigrolineatus. There is no "thunder" L190, only some Brazilian L027 panaque armbrusteri plecos are called thunders which have yellow "flashy" body markings.
http://i1.rgstatic.net/figure/26193...0mmSL-Brazil/AS:267721719939107@1440841240330
http://i1.rgstatic.net/figure/26193...0mmSL-Brazil/AS:267721719939107@1440841240330