2 years agoSheild Limpit (Lottia pelta) photos 1-3 The shield limpit a species of sea snail, a true limpet, and a marine gastropod mollusk in the family Lottiidae. The Shield limpit lives in the intertidal zone most commonly found on the Western coast of North America. This Species of limpit typically grows approximately 3.9 cm in width. Their diet consists primarily of a large variety of both red and brown algaes. However, it is most often associated with brown algae. Mossy Chiton (Mopalia muscosa) photos 2, 3 The mossy chiton is an eight plated marine mollusk (polyplacophora) found in the intertidal zone exposed on rocky shores on the western North American coastline. This species of chiton grows to approximately 4.7cm in length. The chiton is often seen covered in algae and or limpits, it may even be biofluorescent glowing a green colour under ultraviolet or blue light. Their diet consists of green and red algaes which they only feed on at night or when covered by high tide. Asian shore Crab (Hemigrapsus sanguineus) in photo 4 The Asian shore crab is a crab native to the coasts of Asia and is considered a invasive species; these crabs were introduced by ships from Asia emptying their ballast tanks in coastal waters. The crab grows to approximately 3.5cm in length. The Asian Shore Crab is considered to be an opportunistic omnivore suggesting that their diet changes depending on competition. The crabs' natural predetor is the parasite Sacculina polygenea which is specific to the adult Asian shore crab. Scoulers surf Grass (Phyllospadix scouleri) in photos 5, 9, 11 Scouler's surfgrass is a flowering marine plant native to the coastline of western North America. The slender, vivid green plant has long, flat blades; it grows in large clumps or beds exposed during low tide and submerged at high tide, and is typically found attached to rocks in the middle to low intertidal zones. The surfgrass has both the male and female sex with females greatly outnumbering the male plants. The flowers of the surfgrass are in spikes at the base of the leaves and do not have petals with the pollen being spread by water movement.
