WMATA Metrobus GMC Fishbowl Buses WMATA retired its last GMC "Fishbowl" buses in the summer of 2000. One unit remains in WMATA's historic fleet. 1967 GMC Fishbowl Interior Fishbowl Interior GMC Fishbowl 1461 at Landover Division, April 26, 2003 GMC Fishbowl 1461 at Landover Division, April 26, 2003 GMC Fishbowl 1461 at Landover Division, April 26, 2003 GMC Fishbowl 6649 at Landover Division, April 26, 2003