Gastropoda | Patellogastropoda
Anonymous. 2001. (Ref. 310)
Size / Weight / Age
Common length : 2.2 cm SHL male/unsexed; (Ref. 310)
Climate / Range
Northeast Pacific: USA.
Is has a shell with an apex that anterior. The profile of the shell is low and is recognized as having low radial ribs. Some individuals have an eroded appearance. Often the posterior is pitted by the fungus Didymella conchae. The color of the exterior of the shell is typically dull grey in appearance. The interior of the shell is white to blue with a dark border. The side of the foot is white. (Ref. 310).
It has a shell length of 1.5 to 2.2 cm (Ref. 310). Diet: microscopic algae and diatoms. Behavior: It is active when submerged. When exposed it attaches itself to the substratum by secreting a mucus sheet between its foot and shell that prevents desiccation and dislodgement. When submerged the gill expands and respiration and heart rates increase (Ref. 310). Reproduction: Occurs in winter (Ref. 310).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models