16th Annual Smithsonian Magazine Photo Contest Natural World
Cleaning Line
Like cars queuing for a wash, Black Pyramid Butterflyfish take turns to be cleaned by a pair of cleaner wrasse. The butterflyfish tilts its head upwards to signal to the wrasses it was ready to be pampered.
Photo Detail
| Date Taken: | 08.2016 |
| Date Uploaded: | 11.2018 |
| Photo Location: | Aceh, Indonesia |
| Camera: | Canon EOS 5D Mark III |
| Copyright: | © Mok Wai Hoe |