Main content
How corals get their colours
Dr Ken Johnson from the Natural History Museum explains the symbiotic relationship between coral and algae.
Duration:
This clip is from
More clips from Coral
![]()
How coral islands are formed
Duration: 01:43
![]()
The coral reef battlefield
Duration: 01:01
![]()
How corals grow
Duration: 00:57
![]()
The World According to Coral
Duration: 01:30
More clips from Natural Histories
![]()
How Santa got his reindeer
Duration: 01:16
![]()
How is the Wembley pitch prepared for the FA Cup final?
Duration: 02:49
![]()
Turning starling pictures into a musical score—Starling
Duration: 00:29
![]()
Starlings star in piano sing-along—Starling
Duration: 01:16
