Annelids {earthworm} {oligochaeta} {night crawler} {worm, animal} can have few bristles and live in soil and fresh water.
Annelids {leech} (Hirudinia) can have suckers at ends to draw blood from vertebrates, use anticoagulant, and have no bristles.
Marine annelids {marine annelid} {archiannelida} can be non-segmented marine worms without bristles.
Ocean annelids {ocean annelid} {polychaeta} {polychaetes} can have many bristles and separate sexes, which release gametes into water by seasonal, lunar, and diurnal cycles.
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Date Modified: 2022.0225