Asolene (Asolene) sp. Guaiba Lake, Rio Grande do Sul State, Brasil. 06-05-1999. 24 mm high.	Asolene (Asolene) sp. Eldorado do Sul, Rio Grande do Sul, Brasil. 06-05-1999. 23 mm high.

This is an unidentified Asolene species, if anyone knows more about this snails or recognize this snails as being in a collection, it would be greatly appreciated if you contact us (Stijn Ghesquiere or Fabio Faraco).
Shell: The shell is thick and heavy and as wide is high (about 20 to 25 mm). The shell is oval in shape, with medium sized spire.
The umbilicus is very narrow or even closed. The surface of the shell is slightly rough
The colour is light brown with or without very fanit dark bands. The inside of the shell is very dark brown to black.
Operculum:

Asolene (Asolene) sp. Photographed in an aquarium. (click on left-bottom corner to magnify).	Asolene (Asolene) sp.
Asolene (Asolene) sp.	Asolene (Asolene) sp. on the glass.

Body: The base of the foot is grey, without spots, while the dorsal part of the foot and the head area are covered with dark pigmented spots.
Eggs: Laid below the water surface on objects or vegetation, packed in a gelatinous clutch. The shape of the eggs is rather unusual compared with the aquatic eggs in other species like Marisa cornuarietis. While the eggs of Marisa cornuarietis are round, the eggs of Asolene sp. are 'drop-shaped'.

The aquatic eggs of this Asolene species. Note that the eggs are drop-shaped instead of round. (picture not licenced under creative commons)

The eggs of the Asolene sp. are green, as can be seen in this photograph

Distribution: Southeastern of Brasil: Guaiba Lake, Rio Grande do Sul State.

With thanks to Fabio Faraco for providing the shells, the life specimen and the pictures of the eggs. For more information contact Fabio Faraco from Brasil ( ).

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