IMG_20140919_183329

IMG_20140919_183329

Observation - IMG_20140919_183329. Description: Any idea what this slug is and what was happening - it was just rocking from side to side and the opening on the left (2nd photo) was constantly changing shape - thanks!

Any idea what this slug is and what was happening - it was just rocking from side to side and the opening on the left (2nd photo) was constantly changing shape - thanks!