Creative Commons Licence
Imaging technique: 

A wild-caught O. bimaculatus in a glass dish. This is the sister species of O. bimaculoides. Both species have ocelli. Also note the two prominent mantle white spots about mid-mantle. The two frontal white spots just forward of the eyes are clearly visible in this photo and the detailed structure of these are different between the two species.

Maturity: Juvenile; Lab or Wild: Lab; Origin: E. pacific, california

John Forsythe
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith