Experience what it's like to delve down to the Mariana Trench in a submersible into the deep sea.
We'll be diving gradually deeper through the successive zones of the ocean, beginning in the Sunlight Zone (epipegalic) and ending in the Abyss (abyssopelagic), studying the unique organisms we find along the way in the otherworldly ecosystems of the deep sea.
Discover the unique communities around whale-fall ecosystems, that form around sunken whale carrion which supports a complex ecosystem on the sea floor for 50 years.
Explore the raging hydrothermal vents, and the thermophilic life that clings to them, from giant tube worms to deep sea sharks.
00:00 - Welcome to the Deep Sea
00:43 - Your Submersible
00:57 - The Epipelagic Zone (Sunlight Zone) [0 - 650 feet]
02:19 - The Mesopelagic Zone (Twilight Zone) [650 - 3,300 feet]
02:36 - Sponges on the Precipice
03:08 - Fish of the Mesopelagic Zone
03:25 - The Vampire Squid
03:53 - Bioluminescence
04:10 - The Lanternfish
04:23 - The Deep End of the Mesopelagic
04:42 - The Bathypelagic Zone (Midnight Zone) [3,300 - 13,100 feet]
05:19 - The Greenland Shark
06:33 - Whale-Fall Ecosystems [3,000 feet]
08:15 - Deep Sea Anglerfish
08:43 - The Gulper Eel [6,000 feet]
09:28 - The Abyss (Abyssopelagic Zone) [13,100 - 19,700 feet]
10:06 - Life of the Abyss
11:10 - Life on the Sea-Floor
11:39 - Life at Deep Sea Hydrothermal Vents [16,368 feet]
12:11 - Giant Tube Worms and Chemosynthesis
12:53 - Origins of Life in the Deep Sea
13:08 - The Challenger Deep [36,201 feet]
14:13 - Bacterial Matts
14:41 - The Deep Sea Snailfish [26,715 feet]
15:24 - Returning to the Surface
16:01 - Deep Sea Hub
16:40 - Outro