Large, aggregating, white, orange, tan, or brown anemone. M. giganteum has up to 200 translucent tentacles. It is larger than M. senile. M. senile has fewer than 100 short tentacles. Both are monitored together in survey program.
Short, slender, white tentacles can be tipped with red or pink. Tall, smooth, maroon or red column.
Large light to dark translucent orange body. Carapace has white stripes down its entire length.
9 rounded “teeth” on either side of carapace. (Similar sp. Dungeness crab has 10.) Teeth are also less pointy than those of the Dungeness crab.
Relatively smooth brown to reddish, shield-shaped carapace, long thin pincers. Walking legs end in sharp points.
5 large teeth behind each eye. Fifth pair of legs is slightly flattened. Non-native species. Found in upper intertidal, not likely to be seen by divers.
Very large, unstalked barnacle with a large aperture or opening. Often found in clusters.
10 small, pointy “teeth” on either side of carapace. Claws are yellow, white-tipped and serrated. Similar sp. Slender Cancer Crab has a white margin on its carapace and purple legs.
