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A nocturnal Tube Anemone


Subject: A nocturnal Tube Anemone (order Ceriantharia) feasts on the zooplankton attracted by my video lamps. Hundreds of little crustaceans and worm like animals swarm in the light beams and are getting caught by the stinging tentacles of the anemone’s crown. The Cnidarian then retracts its arms towards the oral disk to engulf its catch.

Technique: This anemone was filmed during a night dive. Because you carry the only light source in the darkness of the night, it is important NOT to bring your lights too close to the subject to avoid over-illumination of the subject and this will also prevent unwanted critters, attracted by your lights, swarming in front of the camera

All images Copyright 2020 Olivier Van den Broeck and Greet Meulepas for Beyond scuba. All rights reserved.