21. It feeds mainly on polychaete worms, and likely pollution from coastal development. 22. It is a predator upon smaller fishes, small crustaceans and polychaete worms. 23. Most polychaetes and oligochaetes also use similar mechanisms to regenerate after suffering damage. 24. Benthic species feed on sessile invertebrates such as polychaete worms, crustaceans and mollusks. 25. The polychaetes are most elected component of benthos. 26. Three species of polychaetes and bivalves are identified. 27. It feeds on sea anemones, polychaetes , and octocorallian and scleractinian coral polyps. 28. The sedimentary infauna is dominated by polychaete worms. 29. The adults feed on crustaceans, polychaete worms, fishes and mollusks including cephalopods. 30. Polychaetes , or marine bristle worms, have elongated bodies divided into many segments.