Earth at Night in Colour — S02E04 — Coral Reef

00:00:18 The night.

00:01:20 Strange creatures brought to life by the darkness.

00:02:47 our seas' treasure troves of life.

00:03:59 For the ingenious, food can be found in the most unlikely of places.

00:05:28 With the latest filming techniques...

00:06:42 they line up on the school of fish...

00:08:02 because bigger, deadlier predators are now emerging.

00:09:17 He uses electroreceptors...

00:10:48 But despite the dangers...

00:11:50 having her evening meal of tiny, shrimp-like copepods.

00:13:14 the new couple rise above the reef...

00:14:23 the darkness triggers one of nature's most astonishing hidden wonders...

00:15:34 are the lifeblood of the ocean.

00:17:13 Seemingly dormant rocks come to life.

00:18:57 that are essential for the reef to grow.

00:20:18 Most astonishing, these one-ton giants

00:22:17 We now know that manta rays possess the largest brains of any fish.

00:23:38 Sharks and other predators can be more active at night...

00:24:34 Surface to divers, surface to divers. How is the current?

00:25:07 Still too strong.

00:25:42 As the team searched for the right conditions...

00:26:24 With perseverance and many sleepless nights...

00:27:13 Sure enough, there was a little fish down there,

00:27:54 into this magical underwater world.