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Looks like shiny blob of jelly when tide goes out. Red, green, brown or orange ...
"Shell wall of six solid plates. Kite-shaped operculum opening."
"This large anemone has long flexuous tentacles which are a grey-brown or ...
"A calcareous crusts algae that grows as whitish-pink erect thalli to 3 cm ...
"An intertidal brown seaweed, found on the high shore. It grows up to 40 cm ...
"A dark brown to matt black lichen forming branching tufts up to 1cm tall. It ...
"A long, dorsally flattened worm (between 5 -15 cm in length) with up to 200 ...
Haploid stage (1st picture) and diploid stage looks like tar (2nd picture) "A ...
both diploid gametophyte (red tuft) and haploid tetrasporophyte (branched red ...