Goniobranchus aureopurpureus (Collingwood, 1881)
20mm

We saw these at Mainit and Secret Garden. There seems to be a fine line between Goniobranchus rufomaculatus and G. aureopurpureus, but our specimens of the former from the Marshall Islands have white or translucent gills.

We think the left specimen below is a juvenile Goniobranchus aureopurpureus. The one on the right might be a young Goniobranchus alius.

Created 15 June 2015
Updated 17 June 2020

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