Syllidae is a family of segmented worms. It is a surficial modifier. Syllidae have parental care et sexual metamorphosis. Reproduction is iteroparous, semelparous et gonochoristic. Syllidae is a burrower.
Definition: directly or indirectly modulating the availability of resources to other species, by causing physical state changes in biotic or abiotic materials; modifying, maintaining and/or creating habitats