Twelve-Scaled Worm This carnivorous worm will roll up like a pill bug - and may lose some scales - if disturbed.
	Baltic Isopod If you're swimming near seaweed or eelgrass beds, be on the look out for this insect look-alike.
	Bamboo Worm Appropriately named, the bamboo worm lives upside-down in tubes of mud or sand
	Beach Flea If disturbed, they hop around in the sand like fleas, but these harmless scavengers prefer to spend their time underground during the day.
	Bushy Bugula This bryozoan forms plant-like colonies of thick, yellow-orange branches and can be found attached to pilings, eelgrass, larger seaweeds, and shellfish.
	Finger Sponge This subtidal sponge is nicknamed "eye sponge" for the numerous small pores (called "oscula"), through which water escapes.
	Gem Shell About the size of a sesame seed, these triangular-shaped clams can be found on tidal flats, where they are eaten by shorebirds.
	Golden Star Tunicate The tiny "zooids" (individual animals) of this tunicate form star-shaped colonies; it can be found on pilings, boat bottoms, eelgrass, and seaweeds.
	Hairy Cucumber These dark-colored echinoderms are nearly covered with slender tube feet resembling hairs.
	Hermit Crab The smallest Atlantic hermit crab prefer shells covered with snail fur - a live animal (hydroid), whose stinging tentacles offer protection.
	Lion's Mane Jellyfish The umbrella-shaped bell of this, the largest jellyfish in the world, often serves as a refuge from small fish traveling along.
	Sea Gooseberry Using their two long - and sticky - tentacles, these comb jellies feast on fish eggs and larvae, especially those of cod and haddock.
	Sea Grapes Though shaped like a grape, this 2-siphones sea squirt is often covered with debris.
	Striped Anemone Look on rocks and pilings for this small anemone from Japan - it came to the U.S. in the late 1800s.
	Rough Sea Squirt This non-native, lumpy, club-shaped sea squirt can be found in shallow, protected waters growing on docks, jetties, and mollusk shells.