Red lionfish or Pterois volitans
An exotic fish often seen under water in Indonesia or Thailand.It is a venomous coral reef fish but never aggressive that divers only have to take care not to touch the fins.
The photo was taken in the water by Tulamben in northern part of Bali were the sunken wrack US Liberty is the destination for enthusiastic divers.
Matthias Krug-Bamberg 29. April 2019, 17:49
Deine Unterwasserwelt ist unglaublich!HG Matthias