Nintendo announced Electroplankton for the Mintendo DSi DSiWare. Each release will be focused on a specific plankton and be released for 200 DSiWare points each.

Electroplankton DSiWare

planktons

Release Dates-
Trapy, Hanebow, Nano-Carp, and Beatnes: July 8.
Rec-Rec and Lumiloop-July 22
Luminarian, Sun Animalcule, Volvoice, Marine Snow-TBA August

[official site]

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