Aspect: Grey body with tall back, black fins and tail. The Black Margate's silhouette is amazingly similar to that of the Porkfish Population: Common, solitary. Notable feature: Characteristic black blotch spreads from pelvic fin upwards across pectoral fin and fades out beyond this. The name "Grunt" is owed to the sound they can produce under stress. Environment: Usually found close to bottom, turning around rocks and boulders ready to hide away. Behaviour: Difficult to approach.