1. (noun) giant bully, Gobiomorphus gobioides and other species of bully - stocky fish with large head, two separate dorsal fins, strong body scales, and pelvic fins located forwards beneath the gill openings. Giant bully is very dark, often black with irregular, golden olive lines on cheeks and a linear series of small, golden speckles on each flank. An endemic fish widespread in esturine and coastal waters of the North and South Islands. Rarely moves more than 2 km inland. Emerges at night to feed.