it was no sonny day and very bed visibility. i was happy to found this slug and i made a few photos of them. i think, this is the better.
Facts about Piran
It is in Slovenia- Piran is in the Adriatic Sea.
- The typical depth is 0-10 Metres 0-30 Feet.
- The typical visibility is 3-10 Metres 10-30 Feet.