Blue whale
Balaenoptera musculus
Habitat
Open ocean
Meet the animals of open ocean and read what we know about how they live there.
8 animals11 articles
Animals: Open ocean
Blue whale
Balaenoptera musculus
Elephant seals
Great white shark
Carcharodon carcharias
Humpback whale
Megaptera novaeangliae
Killer whale
Orcinus orca
Leatherback sea turtle
Dermochelys coriacea
Megalodon
Otodus megalodon
Whale shark
Rhincodon typus
Articles
Conservation & population
Megalodon Extinction: Why Did Megalodon Go Extinct?
Megalodon was a massive prehistoric shark. These enormous and frightening sharks lived 23 million years ago. They were large marine…
Predators & threats
What eats a blue whale?
Only killer whales are known to hunt blue whales; the first confirmed kills were off Australia in 2019 and 2021.…
Predators & threats
What eats humpback whales?
Killer whales are the only regular predators of humpback whales, and they go after calves. Sharks almost never kill a…
Diet & feeding
What Do Elephant Seals Eat – Elephant Seals Diet
Elephant seals are marine animals that are found on the coasts of both the northern and southern hemispheres. Seals are…
Size & weight
How Big Are Whale Sharks? Dive Into the Fascinating World of the Ocean’s Gentle Giants
Whale sharks, the gentle giants of the ocean, have fascinated marine enthusiasts and scientists alike for years. Their sheer size…
Adaptations
The Great White Shark Adaptations – Behavioral, Structural & Physiological
We often fear what we don’t understand. And in the vast depths of the ocean, no creature embodies this sentiment…
Conservation & population
Why is Leatherback Sea Turtle Endangered?
The leatherback sea turtle is the largest of all turtles and is one of the most endangered. They are found…
Anatomy & appearance
How long is a blue whale’s tongue?
No one has published a reliable blue whale tongue length. Here's what scientists do know: the tongue turns inside out…
Comparisons
How big is a blue whale? Length, weight and size comparisons
The biggest blue whales reach about 33 m (108 ft) and 150 tonnes. Here are sizes by region, the real…
Comparisons
How Big is a Great White Shark – Great White Shark Size Comparison
The great white shark is a species of large mackerel shark that is found in the coastal surface waters of…
Predators & threats
What eats polar bears?
Adult polar bears have almost no predators apart from people and other polar bears. Cubs are sometimes killed by adult…