Discover strange facts about deep-sea creatures: anglerfish, vampire squid, giant isopods, hatchetfish, and the bizarre bioluminescent animals from the...

Anglerfish use bioluminescent lures to hunt in total darkness. Expert guide to these terrifying deep-sea predators and their bizarre parasitic mating.

Barreleye fish have completely transparent heads showing their green barrel-shaped eyes that rotate to look up or forward. Expert guide to deep sea's weirdest fish.

Expert guide to bioluminescence in the deep sea. Covers the chemistry of living light, anglerfish lures, counterillumination, GFP and the Nobel Prize, dragonfish red light, and why 76 percent of deep-ocean life glows in the dark.

Blobfish only look weird when brought to surface. Expert guide to why pressure changes transform them and their actual deep-sea lives.

Explore the bizarre and fascinating world of deep-sea creatures. Expert-written guide covering anglerfish, giant squid, hydrothermal vents, bioluminescence, the Mariana Trench, and the remarkable adaptations that allow life to thrive under crushing pressure in total darkness.

Dumbo octopuses live 7,000 meters deep with floppy ear-like fins and swallow prey whole. Expert guide to the deepest octopus and why everyone loves them.

Fangtooth fish have proportionally the largest teeth of any vertebrate. Expert guide to the deep-sea predator with fangs so long they have special skull sockets.

Frilled sharks have barely changed in 80 million years and have 300 needle-sharp teeth. Expert guide to the primitive deep-sea shark from the age of dinosaurs.

Giant isopods reach 50cm and can survive 5 years without eating. Expert guide to these giant deep-sea crustaceans and why they're like cockroaches of the ocean floor.

Gulper eels can swallow prey larger than themselves using their balloon-like mouths. Expert guide to the bizarre deep-sea fish with extraordinary jaw mechanics.

Japanese spider crabs have 3.7 meter leg spans — the largest arthropods on Earth. Expert guide to these deep-sea giants and their 100-year lifespans.

Expert guide to the animals living in the deepest part of the ocean, from the Mariana snailfish to amphipods and xenophyophores. Biochemistry of pressure tolerance, landmark expeditions, and the biology of life at 11,000 meters.

Vampire squid live 3,000m deep in the ocean's oxygen minimum zone and eat floating dead matter. Expert guide to the only cephalopod that doesn't hunt live prey.

What actually lives in the Mariana Trench, Earth's deepest point? Expert guide to the bizarre creatures discovered at 11,000 meters - snailfish, amphipods, and more.

Yeti crabs live at deep-sea hydrothermal vents and grow bacteria on their hairy claws for food. Expert guide to Kiwa hirsuta and hydrothermal vent life.

Everything about the deep-sea anglerfish: glowing lures, sexual parasitism, ambush hunting, taxonomy, habitat, and the strange facts that make Ceratioidei the deep ocean's most bizarre predators.

Everything about the giant squid: size, deep-sea habitat, basketball-sized eyes, sperm whale battles, Kraken legends, and the strange facts that make Architeuthis dux the ocean's most elusive giant.

Everything about the vampire squid: habitat, detritus diet, bioluminescent defence, anatomy, reproduction, and the strange facts that make Vampyroteuthis infernalis a living relic of the deep sea.

Everything about the dumbo octopus: the deepest-living octopus on Earth, its Disney-inspired name, ear-like swimming fins, 7,000 metre depth records, asynchronous egg-laying, and why it was never filmed alive until 1999.