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Other Marine Life

Learn about some of the some of the most bizzare marine life under the sea, such as Sea Squirts, sponges and even Sea Monkeys.

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Marine Habitat

Did you know that two thirds of the world is ocean? There are approximately 118 species of mammals alone living in the water. Read on to learn more.


Secret Alphabet of Squid Skin Due to Brains Totally Unlike Our Own

How do squid brains process camouflage and language? Learn more about squid communication in this HowStuffWorks article. See more »

Starfish Use Intricate Water Whorls as a Survival Mechanism

Tiny starfish larvae get food and swim by creating swirls of water. See the starfish in action at HowStuffWorks Now. See more »

Here's What Happens When You Swallow a Leech

Leech endoparasitism occurs when someone accidentally ingests a leech and it gets attached. Literally. Learn more at HowStuffWorks Now. See more »

All Mouth, No Anus: Microscopic Organism Could Be Oldest Human Ancestor

Primitive deuterostome fossils show a precursor to all vertebrates, including humans. Learn about deuterostomes in this HowStuffWorks Now article. See more »

Scientists Capture First-ever Footage of Live Ruby Seadragon

A third species of seadragon has been identified and filmed in its habitat. Learn more about the ruby seadragon in this HowStuffWorks Now article. See more »

Scientists Finally Solve Mystery of Weird Mariana Trench Sound

Minke whales are the culprits. Learn more about the whale call at HowStuffWorks Now. See more »

This Gorgeous New Sea Slug Species Needs a Name

A new species of nudibranch in Australia will be named by contest. Learn more about this sea slug naming contest in this HowStuffWorks Now article. See more »

Sea Monkey Superpowers Come With a Price

Parasites aren't always your mortal enemies, at least if you're a brine shrimp. Learn more about sea monkeys and tapeworms at HowStuffWorks Now. See more »

Can’t Open That Childproof Bottle? Ask an Amazing Octopus

Octopuses are amazingly intelligent animals with nine brains. Learn more about octopus intelligence at HowStuffWorks Now. See more »

10 Weird Creatures From the Mariana Trench

The Mariana Trench is full of amazing, alien-looking sea life. Learn more about the weird creatures from the Marinana Trench at HowStuffWorks. See more »