Cystiscus sandwicensis (Pease, 1860)
|Maximum size: 2.5 mm shell length (Kay, 1979).
This is a tiny species with a transparent shell and obscure sutures.
orange and brown reticulations on a white ground show through the shell.
The body and foot are translucent-white with orange patches and opaque-white bands.
The eyes are black.
Natural history: Cystiscus sandwicensis
is a common species found in rocky habitats at moderately protected to moderately exposed sites.
Big Island, Maui: widely distributed in the Indo-Pacific.
It's listed in Kay, 1979, as Granula sandwicensis. There's some chance that very pale animals might be a distinct species.
CP: Hekili Point, Maui; May 29, 2016.