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Hydatina zonata (Solander in Lightfoot, 1786) [Bulla]
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Click the thumbnail photos to enhance!
Hydatina zonata looks like having a brown shell with white
lines, but it is characterised by thin brown lines running across the
translucent white shell, essentially parallel to the outer lip of the shell. There are
spiral bands around the base and apex of the shell where the brown lines are
absent, and sometimes another spiral band somewhere between the base and
the apex. These colourless bands are sometimes bordered with a thin brown line.
The colour of the animal varies from a pale translucent almost white form
to a dark pinkish brown edged with white.
Thanks for identification to
Dr. Juan Lucas Cervera Currado
More informations on Hydatina zonata are at
Bill Rudman's Sea Slug Forum! |
