anarchivist/ulva

algal experiments

Species By Zone Height

High Intertidal Zone: +1 m to >1.5 m (+3 to >5 ft)

Mostly bare rock at upper limits; patchy cover of hearty red algae, barnacles, & limpets

Chthamalus spp. - acorn barnacle

• Balanus glandula - acorn barnacle
• Tetraclita rubescens - red barnacle
• Littorina keenae - large periwinkle
• Littorina scutulata - small periwinkle
• Littorina plena - small periwinkle
• Chlorostoma funebralis - black turban snail
• Lottia gigantea - owl limpet
• Lottia digitalis - finger limpet
• Lottia austrodigitalis - southern finger limpet
• Lottia scabra - rough limpet
• Lottia paradigitalis - high shore limpets
• Haliotis cracherodii -black abalone, in crevices
• Nucella emarginata - predatory whelk
• Nucella ostrina - predatory whelk
• Acanthinucella punctulata - predatory whelk
• Nuttalina calfiornica - chiton; nestled among barnacles
• Cyanoplax - smooth green chiton, under Silvetia
• Pachygrapsus crassipes - lined shore crab
• Phragmatopoma - sand-tube worm

In Pools

• Pagurus samuelis - hermit crab
• Oscarella carmela - slime sponge w. no skeleton; on sides & under rocks

Under Rocks

• Notocomplana acticola - polyclad flatworm
• Pseudoalloioplana californica - brown polyclad flatworm
• Ligia occidentalis - isopod
• Petrolisthes cinctipes - porcelain crab

Red Algae

• Porphyra perforata - thin ruffled blades, gray-green
• Mastocarpus papillatus - dominant; highly variable
• "Petrocelis" - crustose tetrasporophyte stage of Mastocarpus
• Endocladia muricata - highest band of algae on shore
• Mastocarpus jardinii
• Mazzaella affinis

Brown Algae

• Fucus gardneri - rockweed
• Hesperophycus californicus
• Silvetia compressa
• Analipus japonica - small brown alga (wave-exposed)

Green Algae

• Cladophora - bright green tufts