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Family Bullidae
Bulla striata Bruguière, 1792
Striate bubble - 20 mm


Shell barrel-shaped, smooth, thin, usually fragile. Spire completely sunken. Aperture larger than body whorl, wider on anterior part of shell. Color cream to light-brownish with darker irregular brown markings. Foot and mantle slightly translucent, yellowish to greenish with irregular white flecks. Cephalic shield posteriorly with broad, triangular, overlapping pallial lobes. Tentacles inrolled, siphon-like. Opaque-white patch surrounds each eye. Eyes lie on dorsal surface of cephalic shield. Animal completely envelops the shell but can retract completely into it. A burrower, living in sandy-mud substrate. Apparently feeds on mollusks.
 
Live Bulla striata

Live Bulla striata with egg mass
 

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