Why Do Deep Sea Creatures Look So Scary?

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Deep sea creatures like the anglerfish look terrifying. Turns out, there’s a reason for that.
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CORRECTION: There was a factual error relating deep sea gigantism to temperature in this video. It was in part drawn from a paper that is widely shared, but not largely accepted in today's marine biology community. Many thanks to Dr. Craig McClain for pointing it out. There is a lot we don't know about deep sea gigantism, but according to Dr. McClain, it may occur because of the lack of food in the deep sea. Larger creatures are more metabolically efficient and better at resisting starvation than smaller creatures. Accuracy is extremely important to me, and I will do my best to try to prevent an error like this from slipping in again. I have removed the relevant section at 2:11.

Host, Editor, Animator
Anna Rothschild

Writer, Researcher, Camera
Ceri Riley

Chic Surreal b
Music Provided by APM

Original Footage
©WGBH Educational Foundation

Images and Footage

File: Messina Straits Chauliodus sloani
Wikimedia Commons/Professor Francesco Costa

Kelp Forest and Sunlight
Pond5/EthanD

Marine Snow Video (What Is Marine Snow?)
NOAA

Melanocetus anglerfish swims and turns in black
Getty/BBC Natural History

Anglerfish with full stomach
© Trustees of the NHM, London

File: Psychrolutes phrictus
Wikimedia Commons/NOAA

File: Psychrolutes phrictus 1
Wikimedia Commons/NOAA/MBARI

Messina Straits Argyropelecus hemigymnus
Wikimedia Commons/Professor Francesco Costa

Atolla wyvillei (Operation Deep Scope 2004)
Wikimedia Commons/NOAA Ocean Explorer

Humpback Anglerfish (Melanocetus Johnsonii)
Wikimedia Commons/Javontaevious

Tripod Fish at a depth of 1440mtr in Brazil
Internet Archive/Filmcollective Worldwide

Giant Isopod (18443864634)
Wikimedia Commons/Eric Kilby from Somerville, MA, USA

Japanese spider crab
Wikimedia Commons/Popular Science Magazine, jun. 1920.

N20090116 120650--pan
Wikimedia Commons/Y23

Representatives of ceratioid families
Wikimedia Commons/Masaki Miya et al.

SFX

Cockroaches
Freesound/StateAardvark
(used with permission from author)

Squeak Pack/squeak_10
Freesound/Corsica_S

Scream/Woman Screams
Freesound/SironBoy/MaderaDelEste Films

Squeak Pack/squeak_10
Freesound/Corsica_S

Produced by WGBH for PBS Digital Studios

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Комментарии

Because there's no reason to try to look pretty when it's so dark that nothing can see you?

MAMAJUGO

One of my favorite deep sea fish is the one whose eyes are inside the head, pointing straight up through a dome of clear skin. So bizarre. So cool.

zoepowell

It's because all the normal sea creatures were making fun of them so they swam to the bottom of the ocean where they couldn't be seen

FrostWolf

I really wish we would explore the sea floor more, some of these animals dont even look like they are from earth!! Im almost 100% sure there are monsters down there

MedicEne

i'm never going into an ocean again

ShenaniganGamingMC

Wait did you just said Japanese giants sea crab? It's fascinating.

yackfzay

I'd love to have a pressurized saltwater tank with an angler fish. I don't think the angler would love it, but what would it do?.. give me angry looks?..

AnTid

Okay, but, psychologically, what is it that makes these adaptations unnerve *us?*

pigcatapult

A tripod fish... As said in the comments, not so gross, but very interesting! I didn't know either about the truth behind the weird Blob Fish! Thanks!! ... A tripod fish, so many jokes in my head!!!

raphaelbonobo