Major components of rocky intertidal ecosystems (especially Pacific coast of NA)

Intertidal Powerpoint Presentation

Group

Examples

Niche

Foliose algae

Fucus, Ulva

Primary producer, attached

Crustose algae

Primary producer, attached

Sponge

solitary, colonial

Filter feeder, attached

Mussels

Mytilus

Filter feeder, attached

Barnacles

Balanus, Chthamalus

Filter feeder, attached

Limpets

keyhole limpet

Grazer, mobile

Chitens

Grazer, mobile

Littorine snails

Littorina

Grazer, mobile

Predatory snails

Nucella

Predator, mobile

Anemones

Anthopleura

Predator, attached

Starfish

Pisaster

Predator, mobile

Urchins

Strongulocentrotus

Grazer, mobile

Decapods

Uca, Cancer

Predator, mobile

Tunicates

Chordates, sea squirts

Filter feeder, attached