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AKERIDAE


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Akera soluta Gmelin, 1791

Description: Shell lightweight, fragile, not calcified, spire low. Last whorl smooth or irregularly wrinkled with axial growth lines; top of last whorl detached from spire over last whorl. Aperture narrow at top, broadening out anteriorly; apex of shell visible through aperture from base. Outer lip sharp, convex in profile. Shell translucent when fresh, pale brown with dense darker brown spiral lines over whole surface.

Size: Up to 37 mm in length.

Distribution: Tropical and temperate Indo-West Pacific. In eastern Australia, southwards to far eastern Victoria.

Habitat: "Burrows in silty to muddy habitats. Appears to feed on Cyanobacteria and algae." (Gosliner et al., 2015).

Remarks: A photo of the live animal is on the Sea Slug Form at http://www.seaslugforum.net/find/akersolu

 

Figs. 1, 2: Twofold Bay, NSW (C.352191).

 

Copyright Des Beechey 2018