Dusky Margined Wrasse - Sri LankaHalichoeres marginatus The Halichoeres Wrasses are highly desired by hobbyist due to their hardiness and their appetite for pests. When feeding them, give them a varied small meaty diet. Feeding them multiple times a day is recommended as they are very active and keeping them full will help keep them away from desirable inverts. In addition, they are known predators of a myriad of unwanted pests like fireworms and pyramid snails. Provide an aquarium