Chapter 1
Survival in the twilight and midnight zones
Chapter 2
Life without sunlight at hydrothermal vents
Chapter 3
Bizarre giants of the abyssal plains
Chapter 4
Modern exploration tech and recent discoveries
YOUR GOAL
Master of Into the deep ocean
Ch 3 · Bizarre giants of the abyssal plains
artiteacher Deep-sea gigantism
Down below, oh-oh / Where the deep currents flow, yeah! / Animals grow giant, it's true / Abyssal gigantism for you!
artiteacher This rare cephalopod has elbow-like bends in its tentacles, which can stretch up to eight meters long.
artiteacher These massive scavengers resemble giant pillbugs and play a crucial role in cleaning up fallen carcasses on the seabed.
BETA
artiteacher Uncover each frilly fin friend to learn about deep-sea creature adaptations.
Fun Fact
Colossal squid eyes: The colossal squid has the largest eyes of any animal on Earth, measuring up to 27 centimeters across, like a dinner plate.
Quiz
What is the scientific term for deep-sea invertebrates growing much larger than their shallow-water relatives?
Quiz
What unique feature do colossal squid tentacles have that giant squid tentacles lack?
Quiz
What unusual physical feature gives the rare bigfin squid its distinctive name?
Quiz
How many rows of trident-shaped teeth does a frilled shark have to capture its slippery prey?