(Lottia parallela - Found on eelgrass - Boundary Bay, BC - 12mm)
(Lottia parallela - live specimen crawling on eelgrass)
(live specimen with feeding marks behind it - animal moving, so slightly distorted)
Lottia alveus (west coast), Acmaea parallela
Narrow shell with light radial stripes or checkerboard pattern
on a brown background. Interior is bluish with a dark apical stain. The
exterior pattern shows through this thin shell.
Lives on the eelgrass (Zostera marina) blades in protected areas.
Alaska to California. Not likely to be found south of Washington,
this is a scarce species even north of there.
"David Lindberg, U of Ca, Berkley has examined the DNA of the Atlantic
eelgrass limpet, Lottia alveus (now extinct) and has found that the Pacific
eelgrass limpet is a different species, Lottia paralella, closely associated
with Lottia asmi." -Rick Harbo (personal communication, October, 2002)