Not surveyed
Hranice Abyss
Czech Republic · Moravia
The world’s deepest known flooded cave — a technical diving destination of global significance in the Czech Republic.
What you will see
8 species across the dive sites here
grass snake
Seen 3 months ago
at Hranice Abyss
Least concern
White-lipped Snail
Seen 3 months ago
at Hranice Abyss
Least concern
Common Rough Woodlouse
Seen 3 months ago
at Hranice Abyss
Sand Lizard
Seen 4 months ago
at Hranice Abyss
Least concern
Ash-black Slug
Seen 4 months ago
at Hranice Abyss
Least concern
Smooth Snake
Seen 4 months ago
at Hranice Abyss
Least concern
European Crayfish
Seen Sep 2025
at Hranice Abyss
Vulnerable
Roman Snail
Seen Aug 2025
at Hranice Abyss
Least concern
